Home / 137,251.14-206,006.72-70,737.18

Finding the Fourth Proportional to 137,251.14, 206,006.72 and 70,737.18

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Solution

The fourth proportional to 137,251.14, 206,006.72 and 70,737.18 is: 106,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,251.14 : 206,006.72 = 70,737.18 : x
  2. Step 2: Convert to fraction form
    137,251.14/206,006.72 = 70,737.18/x
  3. Step 3: Cross multiply
    137,251.14x = 206,006.72 × 70,737.18
  4. Step 4: Simplify right side
    137,251.14x = 14,572,334,080.16
  5. Step 5: Solve for x
    x = 14,572,334,080.16/137,251.14
  6. Step 6: Final answer
    x = 106,172.77

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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.