Home / 155,529.30-233,121.15-66,767.70

Finding the Fourth Proportional to 155,529.30, 233,121.15 and 66,767.70

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Solution

The fourth proportional to 155,529.30, 233,121.15 and 66,767.70 is: 100,077.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,529.30 : 233,121.15 = 66,767.70 : x
  2. Step 2: Convert to fraction form
    155,529.30/233,121.15 = 66,767.70/x
  3. Step 3: Cross multiply
    155,529.30x = 233,121.15 × 66,767.70
  4. Step 4: Simplify right side
    155,529.30x = 15,564,963,006.86
  5. Step 5: Solve for x
    x = 15,564,963,006.86/155,529.30
  6. Step 6: Final answer
    x = 100,077.37

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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.