Home / 207,151.14-310,502.88-100,309.38

Finding the Fourth Proportional to 207,151.14, 310,502.88 and 100,309.38

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Solution

The fourth proportional to 207,151.14, 310,502.88 and 100,309.38 is: 150,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,151.14 : 310,502.88 = 100,309.38 : x
  2. Step 2: Convert to fraction form
    207,151.14/310,502.88 = 100,309.38/x
  3. Step 3: Cross multiply
    207,151.14x = 310,502.88 × 100,309.38
  4. Step 4: Simplify right side
    207,151.14x = 31,146,351,381.01
  5. Step 5: Solve for x
    x = 31,146,351,381.01/207,151.14
  6. Step 6: Final answer
    x = 150,355.68

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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.