Home / 84,902.13-127,159.26-40,560.30

Finding the Fourth Proportional to 84,902.13, 127,159.26 and 40,560.30

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Solution

The fourth proportional to 84,902.13, 127,159.26 and 40,560.30 is: 60,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,902.13 : 127,159.26 = 40,560.30 : x
  2. Step 2: Convert to fraction form
    84,902.13/127,159.26 = 40,560.30/x
  3. Step 3: Cross multiply
    84,902.13x = 127,159.26 × 40,560.30
  4. Step 4: Simplify right side
    84,902.13x = 5,157,617,733.38
  5. Step 5: Solve for x
    x = 5,157,617,733.38/84,902.13
  6. Step 6: Final answer
    x = 60,747.80

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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.