Home / 144,024.30-215,854.20-55,159.20

Finding the Fourth Proportional to 144,024.30, 215,854.20 and 55,159.20

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Solution

The fourth proportional to 144,024.30, 215,854.20 and 55,159.20 is: 82,669.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,024.30 : 215,854.20 = 55,159.20 : x
  2. Step 2: Convert to fraction form
    144,024.30/215,854.20 = 55,159.20/x
  3. Step 3: Cross multiply
    144,024.30x = 215,854.20 × 55,159.20
  4. Step 4: Simplify right side
    144,024.30x = 11,906,344,988.64
  5. Step 5: Solve for x
    x = 11,906,344,988.64/144,024.30
  6. Step 6: Final answer
    x = 82,669.00

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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.