Home / 90,223.27-135,295.38-42,851.90

Finding the Fourth Proportional to 90,223.27, 135,295.38 and 42,851.90

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Solution

The fourth proportional to 90,223.27, 135,295.38 and 42,851.90 is: 64,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,223.27 : 135,295.38 = 42,851.90 : x
  2. Step 2: Convert to fraction form
    90,223.27/135,295.38 = 42,851.90/x
  3. Step 3: Cross multiply
    90,223.27x = 135,295.38 × 42,851.90
  4. Step 4: Simplify right side
    90,223.27x = 5,797,664,432.46
  5. Step 5: Solve for x
    x = 5,797,664,432.46/90,223.27
  6. Step 6: Final answer
    x = 64,259.08

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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.