Home / 154,252.24-231,114.30-84,180.76

Finding the Fourth Proportional to 154,252.24, 231,114.30 and 84,180.76

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Solution

The fourth proportional to 154,252.24, 231,114.30 and 84,180.76 is: 126,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,252.24 : 231,114.30 = 84,180.76 : x
  2. Step 2: Convert to fraction form
    154,252.24/231,114.30 = 84,180.76/x
  3. Step 3: Cross multiply
    154,252.24x = 231,114.30 × 84,180.76
  4. Step 4: Simplify right side
    154,252.24x = 19,455,377,420.87
  5. Step 5: Solve for x
    x = 19,455,377,420.87/154,252.24
  6. Step 6: Final answer
    x = 126,127.03

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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.