Home / 151,645.38-209,312.19-88,003.50

Finding the Fourth Proportional to 151,645.38, 209,312.19 and 88,003.50

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Solution

The fourth proportional to 151,645.38, 209,312.19 and 88,003.50 is: 121,468.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,645.38 : 209,312.19 = 88,003.50 : x
  2. Step 2: Convert to fraction form
    151,645.38/209,312.19 = 88,003.50/x
  3. Step 3: Cross multiply
    151,645.38x = 209,312.19 × 88,003.50
  4. Step 4: Simplify right side
    151,645.38x = 18,420,205,312.67
  5. Step 5: Solve for x
    x = 18,420,205,312.67/151,645.38
  6. Step 6: Final answer
    x = 121,468.95

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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.