Home / 226,139.48-312,060.28-125,531

Finding the Fourth Proportional to 226,139.48, 312,060.28 and 125,531

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Solution

The fourth proportional to 226,139.48, 312,060.28 and 125,531 is: 173,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,139.48 : 312,060.28 = 125,531 : x
  2. Step 2: Convert to fraction form
    226,139.48/312,060.28 = 125,531/x
  3. Step 3: Cross multiply
    226,139.48x = 312,060.28 × 125,531
  4. Step 4: Simplify right side
    226,139.48x = 39,173,239,008.68
  5. Step 5: Solve for x
    x = 39,173,239,008.68/226,139.48
  6. Step 6: Final answer
    x = 173,226.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.