Home / 123,085.20-184,627.80-69,941.10

Finding the Fourth Proportional to 123,085.20, 184,627.80 and 69,941.10

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Solution

The fourth proportional to 123,085.20, 184,627.80 and 69,941.10 is: 104,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,085.20 : 184,627.80 = 69,941.10 : x
  2. Step 2: Convert to fraction form
    123,085.20/184,627.80 = 69,941.10/x
  3. Step 3: Cross multiply
    123,085.20x = 184,627.80 × 69,941.10
  4. Step 4: Simplify right side
    123,085.20x = 12,913,071,422.58
  5. Step 5: Solve for x
    x = 12,913,071,422.58/123,085.20
  6. Step 6: Final answer
    x = 104,911.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.