Home / 115,574.62-159,494.07-64,591.42

Finding the Fourth Proportional to 115,574.62, 159,494.07 and 64,591.42

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Solution

The fourth proportional to 115,574.62, 159,494.07 and 64,591.42 is: 89,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,574.62 : 159,494.07 = 64,591.42 : x
  2. Step 2: Convert to fraction form
    115,574.62/159,494.07 = 64,591.42/x
  3. Step 3: Cross multiply
    115,574.62x = 159,494.07 × 64,591.42
  4. Step 4: Simplify right side
    115,574.62x = 10,301,948,462.88
  5. Step 5: Solve for x
    x = 10,301,948,462.88/115,574.62
  6. Step 6: Final answer
    x = 89,136.77

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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.