Home / 238,981.20-358,459.92-89,209.98

Finding the Fourth Proportional to 238,981.20, 358,459.92 and 89,209.98

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Solution

The fourth proportional to 238,981.20, 358,459.92 and 89,209.98 is: 133,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,981.20 : 358,459.92 = 89,209.98 : x
  2. Step 2: Convert to fraction form
    238,981.20/358,459.92 = 89,209.98/x
  3. Step 3: Cross multiply
    238,981.20x = 358,459.92 × 89,209.98
  4. Step 4: Simplify right side
    238,981.20x = 31,978,202,294.00
  5. Step 5: Solve for x
    x = 31,978,202,294.00/238,981.20
  6. Step 6: Final answer
    x = 133,810.54

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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.