Home / 129,063.16-193,551.07-49,082.12

Finding the Fourth Proportional to 129,063.16, 193,551.07 and 49,082.12

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Solution

The fourth proportional to 129,063.16, 193,551.07 and 49,082.12 is: 73,606.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,063.16 : 193,551.07 = 49,082.12 : x
  2. Step 2: Convert to fraction form
    129,063.16/193,551.07 = 49,082.12/x
  3. Step 3: Cross multiply
    129,063.16x = 193,551.07 × 49,082.12
  4. Step 4: Simplify right side
    129,063.16x = 9,499,896,211.82
  5. Step 5: Solve for x
    x = 9,499,896,211.82/129,063.16
  6. Step 6: Final answer
    x = 73,606.57

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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.