Home / 90,005.38-135,015.76-23,445.52

Finding the Fourth Proportional to 90,005.38, 135,015.76 and 23,445.52

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Solution

The fourth proportional to 90,005.38, 135,015.76 and 23,445.52 is: 35,170.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,005.38 : 135,015.76 = 23,445.52 : x
  2. Step 2: Convert to fraction form
    90,005.38/135,015.76 = 23,445.52/x
  3. Step 3: Cross multiply
    90,005.38x = 135,015.76 × 23,445.52
  4. Step 4: Simplify right side
    90,005.38x = 3,165,514,393.16
  5. Step 5: Solve for x
    x = 3,165,514,393.16/90,005.38
  6. Step 6: Final answer
    x = 35,170.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.