Home / 229,132.26-316,164.20-127,141.52

Finding the Fourth Proportional to 229,132.26, 316,164.20 and 127,141.52

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Solution

The fourth proportional to 229,132.26, 316,164.20 and 127,141.52 is: 175,434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,132.26 : 316,164.20 = 127,141.52 : x
  2. Step 2: Convert to fraction form
    229,132.26/316,164.20 = 127,141.52/x
  3. Step 3: Cross multiply
    229,132.26x = 316,164.20 × 127,141.52
  4. Step 4: Simplify right side
    229,132.26x = 40,197,594,741.06
  5. Step 5: Solve for x
    x = 40,197,594,741.06/229,132.26
  6. Step 6: Final answer
    x = 175,434.03

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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.