Home / 89,532.20-134,136.30-70,934.60

Finding the Fourth Proportional to 89,532.20, 134,136.30 and 70,934.60

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Solution

The fourth proportional to 89,532.20, 134,136.30 and 70,934.60 is: 106,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,532.20 : 134,136.30 = 70,934.60 : x
  2. Step 2: Convert to fraction form
    89,532.20/134,136.30 = 70,934.60/x
  3. Step 3: Cross multiply
    89,532.20x = 134,136.30 × 70,934.60
  4. Step 4: Simplify right side
    89,532.20x = 9,514,904,785.98
  5. Step 5: Solve for x
    x = 9,514,904,785.98/89,532.20
  6. Step 6: Final answer
    x = 106,273.55

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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.