Home / 102,977.76-154,503.18-36,400.62

Finding the Fourth Proportional to 102,977.76, 154,503.18 and 36,400.62

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Solution

The fourth proportional to 102,977.76, 154,503.18 and 36,400.62 is: 54,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,977.76 : 154,503.18 = 36,400.62 : x
  2. Step 2: Convert to fraction form
    102,977.76/154,503.18 = 36,400.62/x
  3. Step 3: Cross multiply
    102,977.76x = 154,503.18 × 36,400.62
  4. Step 4: Simplify right side
    102,977.76x = 5,624,011,543.97
  5. Step 5: Solve for x
    x = 5,624,011,543.97/102,977.76
  6. Step 6: Final answer
    x = 54,613.85

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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.