Home / 96,566.60-144,849.90-81,840.80

Finding the Fourth Proportional to 96,566.60, 144,849.90 and 81,840.80

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Solution

The fourth proportional to 96,566.60, 144,849.90 and 81,840.80 is: 122,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,566.60 : 144,849.90 = 81,840.80 : x
  2. Step 2: Convert to fraction form
    96,566.60/144,849.90 = 81,840.80/x
  3. Step 3: Cross multiply
    96,566.60x = 144,849.90 × 81,840.80
  4. Step 4: Simplify right side
    96,566.60x = 11,854,631,695.92
  5. Step 5: Solve for x
    x = 11,854,631,695.92/96,566.60
  6. Step 6: Final answer
    x = 122,761.20

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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.