Home / 142,304.30-213,456.45-53,577.71

Finding the Fourth Proportional to 142,304.30, 213,456.45 and 53,577.71

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Solution

The fourth proportional to 142,304.30, 213,456.45 and 53,577.71 is: 80,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,304.30 : 213,456.45 = 53,577.71 : x
  2. Step 2: Convert to fraction form
    142,304.30/213,456.45 = 53,577.71/x
  3. Step 3: Cross multiply
    142,304.30x = 213,456.45 × 53,577.71
  4. Step 4: Simplify right side
    142,304.30x = 11,436,507,775.73
  5. Step 5: Solve for x
    x = 11,436,507,775.73/142,304.30
  6. Step 6: Final answer
    x = 80,366.57

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1.5x scale

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.