Home / 138,983.06-191,817.20-88,000.52

Finding the Fourth Proportional to 138,983.06, 191,817.20 and 88,000.52

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Solution

The fourth proportional to 138,983.06, 191,817.20 and 88,000.52 is: 121,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,983.06 : 191,817.20 = 88,000.52 : x
  2. Step 2: Convert to fraction form
    138,983.06/191,817.20 = 88,000.52/x
  3. Step 3: Cross multiply
    138,983.06x = 191,817.20 × 88,000.52
  4. Step 4: Simplify right side
    138,983.06x = 16,880,012,605.86
  5. Step 5: Solve for x
    x = 16,880,012,605.86/138,983.06
  6. Step 6: Final answer
    x = 121,453.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.