Home / 142,304.55-213,456.83-53,577.96

Finding the Fourth Proportional to 142,304.55, 213,456.83 and 53,577.96

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Solution

The fourth proportional to 142,304.55, 213,456.83 and 53,577.96 is: 80,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,304.55 : 213,456.83 = 53,577.96 : x
  2. Step 2: Convert to fraction form
    142,304.55/213,456.83 = 53,577.96/x
  3. Step 3: Cross multiply
    142,304.55x = 213,456.83 × 53,577.96
  4. Step 4: Simplify right side
    142,304.55x = 11,436,581,499.47
  5. Step 5: Solve for x
    x = 11,436,581,499.47/142,304.55
  6. Step 6: Final answer
    x = 80,366.94

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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.