Home / 130,418.61-195,373.23-89,884.87

Finding the Fourth Proportional to 130,418.61, 195,373.23 and 89,884.87

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Solution

The fourth proportional to 130,418.61, 195,373.23 and 89,884.87 is: 134,651.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,418.61 : 195,373.23 = 89,884.87 : x
  2. Step 2: Convert to fraction form
    130,418.61/195,373.23 = 89,884.87/x
  3. Step 3: Cross multiply
    130,418.61x = 195,373.23 × 89,884.87
  4. Step 4: Simplify right side
    130,418.61x = 17,561,098,159.11
  5. Step 5: Solve for x
    x = 17,561,098,159.11/130,418.61
  6. Step 6: Final answer
    x = 134,651.78

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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.