Home / 129,509.31-194,295.06-49,545.96

Finding the Fourth Proportional to 129,509.31, 194,295.06 and 49,545.96

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Solution

The fourth proportional to 129,509.31, 194,295.06 and 49,545.96 is: 74,330.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,509.31 : 194,295.06 = 49,545.96 : x
  2. Step 2: Convert to fraction form
    129,509.31/194,295.06 = 49,545.96/x
  3. Step 3: Cross multiply
    129,509.31x = 194,295.06 × 49,545.96
  4. Step 4: Simplify right side
    129,509.31x = 9,626,535,270.96
  5. Step 5: Solve for x
    x = 9,626,535,270.96/129,509.31
  6. Step 6: Final answer
    x = 74,330.84

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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.