Home / 102,921.60-154,382.40-101,937.45

Finding the Fourth Proportional to 102,921.60, 154,382.40 and 101,937.45

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Solution

The fourth proportional to 102,921.60, 154,382.40 and 101,937.45 is: 152,906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,921.60 : 154,382.40 = 101,937.45 : x
  2. Step 2: Convert to fraction form
    102,921.60/154,382.40 = 101,937.45/x
  3. Step 3: Cross multiply
    102,921.60x = 154,382.40 × 101,937.45
  4. Step 4: Simplify right side
    102,921.60x = 15,737,348,180.88
  5. Step 5: Solve for x
    x = 15,737,348,180.88/102,921.60
  6. Step 6: Final answer
    x = 152,906.18

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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.