Home / 154,004.28-231,006.36-57,959.52

Finding the Fourth Proportional to 154,004.28, 231,006.36 and 57,959.52

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Solution

The fourth proportional to 154,004.28, 231,006.36 and 57,959.52 is: 86,939.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,004.28 : 231,006.36 = 57,959.52 : x
  2. Step 2: Convert to fraction form
    154,004.28/231,006.36 = 57,959.52/x
  3. Step 3: Cross multiply
    154,004.28x = 231,006.36 × 57,959.52
  4. Step 4: Simplify right side
    154,004.28x = 13,389,017,742.55
  5. Step 5: Solve for x
    x = 13,389,017,742.55/154,004.28
  6. Step 6: Final answer
    x = 86,939.26

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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.