Home / 115,747.27-159,737.42-64,756.96

Finding the Fourth Proportional to 115,747.27, 159,737.42 and 64,756.96

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Solution

The fourth proportional to 115,747.27, 159,737.42 and 64,756.96 is: 89,368.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,747.27 : 159,737.42 = 64,756.96 : x
  2. Step 2: Convert to fraction form
    115,747.27/159,737.42 = 64,756.96/x
  3. Step 3: Cross multiply
    115,747.27x = 159,737.42 × 64,756.96
  4. Step 4: Simplify right side
    115,747.27x = 10,344,109,479.99
  5. Step 5: Solve for x
    x = 10,344,109,479.99/115,747.27
  6. Step 6: Final answer
    x = 89,368.07

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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.