Home / 238,122.40-357,197.28-86,352.52

Finding the Fourth Proportional to 238,122.40, 357,197.28 and 86,352.52

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Solution

The fourth proportional to 238,122.40, 357,197.28 and 86,352.52 is: 129,533.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,122.40 : 357,197.28 = 86,352.52 : x
  2. Step 2: Convert to fraction form
    238,122.40/357,197.28 = 86,352.52/x
  3. Step 3: Cross multiply
    238,122.40x = 357,197.28 × 86,352.52
  4. Step 4: Simplify right side
    238,122.40x = 30,844,885,265.15
  5. Step 5: Solve for x
    x = 30,844,885,265.15/238,122.40
  6. Step 6: Final answer
    x = 129,533.74

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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.