Home / 134,423.40-201,635.10-40,929.15

Finding the Fourth Proportional to 134,423.40, 201,635.10 and 40,929.15

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Solution

The fourth proportional to 134,423.40, 201,635.10 and 40,929.15 is: 61,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,423.40 : 201,635.10 = 40,929.15 : x
  2. Step 2: Convert to fraction form
    134,423.40/201,635.10 = 40,929.15/x
  3. Step 3: Cross multiply
    134,423.40x = 201,635.10 × 40,929.15
  4. Step 4: Simplify right side
    134,423.40x = 8,252,753,253.17
  5. Step 5: Solve for x
    x = 8,252,753,253.17/134,423.40
  6. Step 6: Final answer
    x = 61,393.73

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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.