Home / 91,535.90-137,198.40-35,351.24

Finding the Fourth Proportional to 91,535.90, 137,198.40 and 35,351.24

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Solution

The fourth proportional to 91,535.90, 137,198.40 and 35,351.24 is: 52,986.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,535.90 : 137,198.40 = 35,351.24 : x
  2. Step 2: Convert to fraction form
    91,535.90/137,198.40 = 35,351.24/x
  3. Step 3: Cross multiply
    91,535.90x = 137,198.40 × 35,351.24
  4. Step 4: Simplify right side
    91,535.90x = 4,850,133,566.02
  5. Step 5: Solve for x
    x = 4,850,133,566.02/91,535.90
  6. Step 6: Final answer
    x = 52,986.14

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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.