Home / 141,209.25-194,820.05-90,251.81

Finding the Fourth Proportional to 141,209.25, 194,820.05 and 90,251.81

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Solution

The fourth proportional to 141,209.25, 194,820.05 and 90,251.81 is: 124,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,209.25 : 194,820.05 = 90,251.81 : x
  2. Step 2: Convert to fraction form
    141,209.25/194,820.05 = 90,251.81/x
  3. Step 3: Cross multiply
    141,209.25x = 194,820.05 × 90,251.81
  4. Step 4: Simplify right side
    141,209.25x = 17,582,860,711.43
  5. Step 5: Solve for x
    x = 17,582,860,711.43/141,209.25
  6. Step 6: Final answer
    x = 124,516.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.