Home / 142,440.31-213,562.04-62,439.85

Finding the Fourth Proportional to 142,440.31, 213,562.04 and 62,439.85

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Solution

The fourth proportional to 142,440.31, 213,562.04 and 62,439.85 is: 93,616.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,440.31 : 213,562.04 = 62,439.85 : x
  2. Step 2: Convert to fraction form
    142,440.31/213,562.04 = 62,439.85/x
  3. Step 3: Cross multiply
    142,440.31x = 213,562.04 × 62,439.85
  4. Step 4: Simplify right side
    142,440.31x = 13,334,781,365.49
  5. Step 5: Solve for x
    x = 13,334,781,365.49/142,440.31
  6. Step 6: Final answer
    x = 93,616.63

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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.