Home / 122,945.10-184,417.65-39,839.10

Finding the Fourth Proportional to 122,945.10, 184,417.65 and 39,839.10

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Solution

The fourth proportional to 122,945.10, 184,417.65 and 39,839.10 is: 59,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,945.10 : 184,417.65 = 39,839.10 : x
  2. Step 2: Convert to fraction form
    122,945.10/184,417.65 = 39,839.10/x
  3. Step 3: Cross multiply
    122,945.10x = 184,417.65 × 39,839.10
  4. Step 4: Simplify right side
    122,945.10x = 7,347,033,200.12
  5. Step 5: Solve for x
    x = 7,347,033,200.12/122,945.10
  6. Step 6: Final answer
    x = 59,758.65

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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.