Home / 229,079.10-316,167.08-127,137.31

Finding the Fourth Proportional to 229,079.10, 316,167.08 and 127,137.31

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Solution

The fourth proportional to 229,079.10, 316,167.08 and 127,137.31 is: 175,470.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,079.10 : 316,167.08 = 127,137.31 : x
  2. Step 2: Convert to fraction form
    229,079.10/316,167.08 = 127,137.31/x
  3. Step 3: Cross multiply
    229,079.10x = 316,167.08 × 127,137.31
  4. Step 4: Simplify right side
    229,079.10x = 40,196,632,061.75
  5. Step 5: Solve for x
    x = 40,196,632,061.75/229,079.10
  6. Step 6: Final answer
    x = 175,470.53

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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.