Home / 159,726.10-239,462.68-79,722.91

Finding the Fourth Proportional to 159,726.10, 239,462.68 and 79,722.91

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Solution

The fourth proportional to 159,726.10, 239,462.68 and 79,722.91 is: 119,521.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,726.10 : 239,462.68 = 79,722.91 : x
  2. Step 2: Convert to fraction form
    159,726.10/239,462.68 = 79,722.91/x
  3. Step 3: Cross multiply
    159,726.10x = 239,462.68 × 79,722.91
  4. Step 4: Simplify right side
    159,726.10x = 19,090,661,262.01
  5. Step 5: Solve for x
    x = 19,090,661,262.01/159,726.10
  6. Step 6: Final answer
    x = 119,521.24

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1.5x scale

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.