Home / 155,423.24-232,633.56-80,440.24

Finding the Fourth Proportional to 155,423.24, 232,633.56 and 80,440.24

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Solution

The fourth proportional to 155,423.24, 232,633.56 and 80,440.24 is: 120,400.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,423.24 : 232,633.56 = 80,440.24 : x
  2. Step 2: Convert to fraction form
    155,423.24/232,633.56 = 80,440.24/x
  3. Step 3: Cross multiply
    155,423.24x = 232,633.56 × 80,440.24
  4. Step 4: Simplify right side
    155,423.24x = 18,713,099,398.45
  5. Step 5: Solve for x
    x = 18,713,099,398.45/155,423.24
  6. Step 6: Final answer
    x = 120,400.91

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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.