Home / 96,384.70-144,577.05-86,543.20

Finding the Fourth Proportional to 96,384.70, 144,577.05 and 86,543.20

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Solution

The fourth proportional to 96,384.70, 144,577.05 and 86,543.20 is: 129,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,384.70 : 144,577.05 = 86,543.20 : x
  2. Step 2: Convert to fraction form
    96,384.70/144,577.05 = 86,543.20/x
  3. Step 3: Cross multiply
    96,384.70x = 144,577.05 × 86,543.20
  4. Step 4: Simplify right side
    96,384.70x = 12,512,160,553.56
  5. Step 5: Solve for x
    x = 12,512,160,553.56/96,384.70
  6. Step 6: Final answer
    x = 129,814.80

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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.