Home / 118,432.60-163,436.66-64,717.96

Finding the Fourth Proportional to 118,432.60, 163,436.66 and 64,717.96

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Solution

The fourth proportional to 118,432.60, 163,436.66 and 64,717.96 is: 89,310.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,432.60 : 163,436.66 = 64,717.96 : x
  2. Step 2: Convert to fraction form
    118,432.60/163,436.66 = 64,717.96/x
  3. Step 3: Cross multiply
    118,432.60x = 163,436.66 × 64,717.96
  4. Step 4: Simplify right side
    118,432.60x = 10,577,287,224.41
  5. Step 5: Solve for x
    x = 10,577,287,224.41/118,432.60
  6. Step 6: Final answer
    x = 89,310.61

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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.