Home / 118,770.17-163,857.23-67,785.73

Finding the Fourth Proportional to 118,770.17, 163,857.23 and 67,785.73

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Solution

The fourth proportional to 118,770.17, 163,857.23 and 67,785.73 is: 93,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,770.17 : 163,857.23 = 67,785.73 : x
  2. Step 2: Convert to fraction form
    118,770.17/163,857.23 = 67,785.73/x
  3. Step 3: Cross multiply
    118,770.17x = 163,857.23 × 67,785.73
  4. Step 4: Simplify right side
    118,770.17x = 11,107,181,456.95
  5. Step 5: Solve for x
    x = 11,107,181,456.95/118,770.17
  6. Step 6: Final answer
    x = 93,518.28

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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.