Home / 153,862.20-230,376.24-79,834.68

Finding the Fourth Proportional to 153,862.20, 230,376.24 and 79,834.68

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Solution

The fourth proportional to 153,862.20, 230,376.24 and 79,834.68 is: 119,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,862.20 : 230,376.24 = 79,834.68 : x
  2. Step 2: Convert to fraction form
    153,862.20/230,376.24 = 79,834.68/x
  3. Step 3: Cross multiply
    153,862.20x = 230,376.24 × 79,834.68
  4. Step 4: Simplify right side
    153,862.20x = 18,392,013,400.00
  5. Step 5: Solve for x
    x = 18,392,013,400.00/153,862.20
  6. Step 6: Final answer
    x = 119,535.62

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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.