Home / 90,134.38-135,191.24-23,580.93

Finding the Fourth Proportional to 90,134.38, 135,191.24 and 23,580.93

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Solution

The fourth proportional to 90,134.38, 135,191.24 and 23,580.93 is: 35,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,134.38 : 135,191.24 = 23,580.93 : x
  2. Step 2: Convert to fraction form
    90,134.38/135,191.24 = 23,580.93/x
  3. Step 3: Cross multiply
    90,134.38x = 135,191.24 × 23,580.93
  4. Step 4: Simplify right side
    90,134.38x = 3,187,935,167.05
  5. Step 5: Solve for x
    x = 3,187,935,167.05/90,134.38
  6. Step 6: Final answer
    x = 35,368.69

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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.