Home / 113,734.08-156,956.40-63,432

Finding the Fourth Proportional to 113,734.08, 156,956.40 and 63,432

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Solution

The fourth proportional to 113,734.08, 156,956.40 and 63,432 is: 87,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,734.08 : 156,956.40 = 63,432 : x
  2. Step 2: Convert to fraction form
    113,734.08/156,956.40 = 63,432/x
  3. Step 3: Cross multiply
    113,734.08x = 156,956.40 × 63,432
  4. Step 4: Simplify right side
    113,734.08x = 9,956,058,364.80
  5. Step 5: Solve for x
    x = 9,956,058,364.80/113,734.08
  6. Step 6: Final answer
    x = 87,538.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.