Home / 123,079.20-184,618.80-69,935.10

Finding the Fourth Proportional to 123,079.20, 184,618.80 and 69,935.10

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Solution

The fourth proportional to 123,079.20, 184,618.80 and 69,935.10 is: 104,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,079.20 : 184,618.80 = 69,935.10 : x
  2. Step 2: Convert to fraction form
    123,079.20/184,618.80 = 69,935.10/x
  3. Step 3: Cross multiply
    123,079.20x = 184,618.80 × 69,935.10
  4. Step 4: Simplify right side
    123,079.20x = 12,911,334,239.88
  5. Step 5: Solve for x
    x = 12,911,334,239.88/123,079.20
  6. Step 6: Final answer
    x = 104,902.65

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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.