Home / 142,033.55-213,041.96-53,279.62

Finding the Fourth Proportional to 142,033.55, 213,041.96 and 53,279.62

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Solution

The fourth proportional to 142,033.55, 213,041.96 and 53,279.62 is: 79,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,033.55 : 213,041.96 = 53,279.62 : x
  2. Step 2: Convert to fraction form
    142,033.55/213,041.96 = 53,279.62/x
  3. Step 3: Cross multiply
    142,033.55x = 213,041.96 × 53,279.62
  4. Step 4: Simplify right side
    142,033.55x = 11,350,793,873.85
  5. Step 5: Solve for x
    x = 11,350,793,873.85/142,033.55
  6. Step 6: Final answer
    x = 79,916.29

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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.