Home / 123,433.40-185,150.10-40,335.80

Finding the Fourth Proportional to 123,433.40, 185,150.10 and 40,335.80

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Solution

The fourth proportional to 123,433.40, 185,150.10 and 40,335.80 is: 60,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,433.40 : 185,150.10 = 40,335.80 : x
  2. Step 2: Convert to fraction form
    123,433.40/185,150.10 = 40,335.80/x
  3. Step 3: Cross multiply
    123,433.40x = 185,150.10 × 40,335.80
  4. Step 4: Simplify right side
    123,433.40x = 7,468,177,403.58
  5. Step 5: Solve for x
    x = 7,468,177,403.58/123,433.40
  6. Step 6: Final answer
    x = 60,503.70

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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.