Home / 129,332.40-194,006.76-40,589.40

Finding the Fourth Proportional to 129,332.40, 194,006.76 and 40,589.40

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Solution

The fourth proportional to 129,332.40, 194,006.76 and 40,589.40 is: 60,886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,332.40 : 194,006.76 = 40,589.40 : x
  2. Step 2: Convert to fraction form
    129,332.40/194,006.76 = 40,589.40/x
  3. Step 3: Cross multiply
    129,332.40x = 194,006.76 × 40,589.40
  4. Step 4: Simplify right side
    129,332.40x = 7,874,617,984.34
  5. Step 5: Solve for x
    x = 7,874,617,984.34/129,332.40
  6. Step 6: Final answer
    x = 60,886.66

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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.