Home / 145,956.30-219,020.92-61,711.86

Finding the Fourth Proportional to 145,956.30, 219,020.92 and 61,711.86

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Solution

The fourth proportional to 145,956.30, 219,020.92 and 61,711.86 is: 92,604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,956.30 : 219,020.92 = 61,711.86 : x
  2. Step 2: Convert to fraction form
    145,956.30/219,020.92 = 61,711.86/x
  3. Step 3: Cross multiply
    145,956.30x = 219,020.92 × 61,711.86
  4. Step 4: Simplify right side
    145,956.30x = 13,516,188,352.11
  5. Step 5: Solve for x
    x = 13,516,188,352.11/145,956.30
  6. Step 6: Final answer
    x = 92,604.35

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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.