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Finding the Fourth Proportional to 173,441.88, 239,354.46 and 97,988.76

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Solution

The fourth proportional to 173,441.88, 239,354.46 and 97,988.76 is: 135,227.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,441.88 : 239,354.46 = 97,988.76 : x
  2. Step 2: Convert to fraction form
    173,441.88/239,354.46 = 97,988.76/x
  3. Step 3: Cross multiply
    173,441.88x = 239,354.46 × 97,988.76
  4. Step 4: Simplify right side
    173,441.88x = 23,454,046,735.87
  5. Step 5: Solve for x
    x = 23,454,046,735.87/173,441.88
  6. Step 6: Final answer
    x = 135,227.12

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1.5x scale

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.