Home / 115,722.24-159,689.14-64,726.12

Finding the Fourth Proportional to 115,722.24, 159,689.14 and 64,726.12

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Solution

The fourth proportional to 115,722.24, 159,689.14 and 64,726.12 is: 89,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,722.24 : 159,689.14 = 64,726.12 : x
  2. Step 2: Convert to fraction form
    115,722.24/159,689.14 = 64,726.12/x
  3. Step 3: Cross multiply
    115,722.24x = 159,689.14 × 64,726.12
  4. Step 4: Simplify right side
    115,722.24x = 10,336,058,438.34
  5. Step 5: Solve for x
    x = 10,336,058,438.34/115,722.24
  6. Step 6: Final answer
    x = 89,317.82

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1.5x scale

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.