Home / 123,227.40-184,841.10-40,129.80

Finding the Fourth Proportional to 123,227.40, 184,841.10 and 40,129.80

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Solution

The fourth proportional to 123,227.40, 184,841.10 and 40,129.80 is: 60,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,227.40 : 184,841.10 = 40,129.80 : x
  2. Step 2: Convert to fraction form
    123,227.40/184,841.10 = 40,129.80/x
  3. Step 3: Cross multiply
    123,227.40x = 184,841.10 × 40,129.80
  4. Step 4: Simplify right side
    123,227.40x = 7,417,636,374.78
  5. Step 5: Solve for x
    x = 7,417,636,374.78/123,227.40
  6. Step 6: Final answer
    x = 60,194.70

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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.