Home / 147,824.38-204,005.05-90,445.74

Finding the Fourth Proportional to 147,824.38, 204,005.05 and 90,445.74

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Solution

The fourth proportional to 147,824.38, 204,005.05 and 90,445.74 is: 124,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,824.38 : 204,005.05 = 90,445.74 : x
  2. Step 2: Convert to fraction form
    147,824.38/204,005.05 = 90,445.74/x
  3. Step 3: Cross multiply
    147,824.38x = 204,005.05 × 90,445.74
  4. Step 4: Simplify right side
    147,824.38x = 18,451,387,228.61
  5. Step 5: Solve for x
    x = 18,451,387,228.61/147,824.38
  6. Step 6: Final answer
    x = 124,819.65

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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.