Home / 119,589.40-179,150.58-72,726.04

Finding the Fourth Proportional to 119,589.40, 179,150.58 and 72,726.04

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Solution

The fourth proportional to 119,589.40, 179,150.58 and 72,726.04 is: 108,947.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,589.40 : 179,150.58 = 72,726.04 : x
  2. Step 2: Convert to fraction form
    119,589.40/179,150.58 = 72,726.04/x
  3. Step 3: Cross multiply
    119,589.40x = 179,150.58 × 72,726.04
  4. Step 4: Simplify right side
    119,589.40x = 13,028,912,247.10
  5. Step 5: Solve for x
    x = 13,028,912,247.10/119,589.40
  6. Step 6: Final answer
    x = 108,947.05

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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.