Home / 151,684.45-209,366.18-88,042.75

Finding the Fourth Proportional to 151,684.45, 209,366.18 and 88,042.75

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Solution

The fourth proportional to 151,684.45, 209,366.18 and 88,042.75 is: 121,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,684.45 : 209,366.18 = 88,042.75 : x
  2. Step 2: Convert to fraction form
    151,684.45/209,366.18 = 88,042.75/x
  3. Step 3: Cross multiply
    151,684.45x = 209,366.18 × 88,042.75
  4. Step 4: Simplify right side
    151,684.45x = 18,433,174,244.20
  5. Step 5: Solve for x
    x = 18,433,174,244.20/151,684.45
  6. Step 6: Final answer
    x = 121,523.16

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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.