Home / 229,112.64-316,167.16-127,142.55

Finding the Fourth Proportional to 229,112.64, 316,167.16 and 127,142.55

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Solution

The fourth proportional to 229,112.64, 316,167.16 and 127,142.55 is: 175,452.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,112.64 : 316,167.16 = 127,142.55 : x
  2. Step 2: Convert to fraction form
    229,112.64/316,167.16 = 127,142.55/x
  3. Step 3: Cross multiply
    229,112.64x = 316,167.16 × 127,142.55
  4. Step 4: Simplify right side
    229,112.64x = 40,198,298,948.66
  5. Step 5: Solve for x
    x = 40,198,298,948.66/229,112.64
  6. Step 6: Final answer
    x = 175,452.12

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1.5x scale

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.