Home / 142,033.26-213,333.63-88,819.92

Finding the Fourth Proportional to 142,033.26, 213,333.63 and 88,819.92

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Solution

The fourth proportional to 142,033.26, 213,333.63 and 88,819.92 is: 133,407.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,033.26 : 213,333.63 = 88,819.92 : x
  2. Step 2: Convert to fraction form
    142,033.26/213,333.63 = 88,819.92/x
  3. Step 3: Cross multiply
    142,033.26x = 213,333.63 × 88,819.92
  4. Step 4: Simplify right side
    142,033.26x = 18,948,275,949.91
  5. Step 5: Solve for x
    x = 18,948,275,949.91/142,033.26
  6. Step 6: Final answer
    x = 133,407.32

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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.