Home / 100,754.24-139,035.76-60,459.98

Finding the Fourth Proportional to 100,754.24, 139,035.76 and 60,459.98

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Solution

The fourth proportional to 100,754.24, 139,035.76 and 60,459.98 is: 83,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,754.24 : 139,035.76 = 60,459.98 : x
  2. Step 2: Convert to fraction form
    100,754.24/139,035.76 = 60,459.98/x
  3. Step 3: Cross multiply
    100,754.24x = 139,035.76 × 60,459.98
  4. Step 4: Simplify right side
    100,754.24x = 8,406,098,422.56
  5. Step 5: Solve for x
    x = 8,406,098,422.56/100,754.24
  6. Step 6: Final answer
    x = 83,431.71

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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.