Home / 157,534.60-217,418.82-100,179.52

Finding the Fourth Proportional to 157,534.60, 217,418.82 and 100,179.52

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Solution

The fourth proportional to 157,534.60, 217,418.82 and 100,179.52 is: 138,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,534.60 : 217,418.82 = 100,179.52 : x
  2. Step 2: Convert to fraction form
    157,534.60/217,418.82 = 100,179.52/x
  3. Step 3: Cross multiply
    157,534.60x = 217,418.82 × 100,179.52
  4. Step 4: Simplify right side
    157,534.60x = 21,780,913,026.57
  5. Step 5: Solve for x
    x = 21,780,913,026.57/157,534.60
  6. Step 6: Final answer
    x = 138,261.14

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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.