Home / 130,793.22-180,489.33-74,203.38

Finding the Fourth Proportional to 130,793.22, 180,489.33 and 74,203.38

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Solution

The fourth proportional to 130,793.22, 180,489.33 and 74,203.38 is: 102,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,793.22 : 180,489.33 = 74,203.38 : x
  2. Step 2: Convert to fraction form
    130,793.22/180,489.33 = 74,203.38/x
  3. Step 3: Cross multiply
    130,793.22x = 180,489.33 × 74,203.38
  4. Step 4: Simplify right side
    130,793.22x = 13,392,918,339.94
  5. Step 5: Solve for x
    x = 13,392,918,339.94/130,793.22
  6. Step 6: Final answer
    x = 102,397.65

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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.