Home / 144,001.80-215,820.45-55,136.70

Finding the Fourth Proportional to 144,001.80, 215,820.45 and 55,136.70

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Solution

The fourth proportional to 144,001.80, 215,820.45 and 55,136.70 is: 82,635.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,001.80 : 215,820.45 = 55,136.70 : x
  2. Step 2: Convert to fraction form
    144,001.80/215,820.45 = 55,136.70/x
  3. Step 3: Cross multiply
    144,001.80x = 215,820.45 × 55,136.70
  4. Step 4: Simplify right side
    144,001.80x = 11,899,627,405.52
  5. Step 5: Solve for x
    x = 11,899,627,405.52/144,001.80
  6. Step 6: Final answer
    x = 82,635.27

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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.