Home / 231,065.22-318,878.46-127,700.31

Finding the Fourth Proportional to 231,065.22, 318,878.46 and 127,700.31

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Solution

The fourth proportional to 231,065.22, 318,878.46 and 127,700.31 is: 176,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,065.22 : 318,878.46 = 127,700.31 : x
  2. Step 2: Convert to fraction form
    231,065.22/318,878.46 = 127,700.31/x
  3. Step 3: Cross multiply
    231,065.22x = 318,878.46 × 127,700.31
  4. Step 4: Simplify right side
    231,065.22x = 40,720,878,194.32
  5. Step 5: Solve for x
    x = 40,720,878,194.32/231,065.22
  6. Step 6: Final answer
    x = 176,231.10

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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.