Home / 118,277.50-163,229.61-67,979.74

Finding the Fourth Proportional to 118,277.50, 163,229.61 and 67,979.74

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Solution

The fourth proportional to 118,277.50, 163,229.61 and 67,979.74 is: 93,815.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,277.50 : 163,229.61 = 67,979.74 : x
  2. Step 2: Convert to fraction form
    118,277.50/163,229.61 = 67,979.74/x
  3. Step 3: Cross multiply
    118,277.50x = 163,229.61 × 67,979.74
  4. Step 4: Simplify right side
    118,277.50x = 11,096,306,448.10
  5. Step 5: Solve for x
    x = 11,096,306,448.10/118,277.50
  6. Step 6: Final answer
    x = 93,815.87

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1.5x scale

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.