Home / 91,282.14-136,921.69-31,352.27

Finding the Fourth Proportional to 91,282.14, 136,921.69 and 31,352.27

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Solution

The fourth proportional to 91,282.14, 136,921.69 and 31,352.27 is: 47,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,282.14 : 136,921.69 = 31,352.27 : x
  2. Step 2: Convert to fraction form
    91,282.14/136,921.69 = 31,352.27/x
  3. Step 3: Cross multiply
    91,282.14x = 136,921.69 × 31,352.27
  4. Step 4: Simplify right side
    91,282.14x = 4,292,805,148.32
  5. Step 5: Solve for x
    x = 4,292,805,148.32/91,282.14
  6. Step 6: Final answer
    x = 47,027.88

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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.