Home / 138,122.61-190,446.17-94,536.18

Finding the Fourth Proportional to 138,122.61, 190,446.17 and 94,536.18

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Solution

The fourth proportional to 138,122.61, 190,446.17 and 94,536.18 is: 130,348.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,122.61 : 190,446.17 = 94,536.18 : x
  2. Step 2: Convert to fraction form
    138,122.61/190,446.17 = 94,536.18/x
  3. Step 3: Cross multiply
    138,122.61x = 190,446.17 × 94,536.18
  4. Step 4: Simplify right side
    138,122.61x = 18,004,052,934.75
  5. Step 5: Solve for x
    x = 18,004,052,934.75/138,122.61
  6. Step 6: Final answer
    x = 130,348.34

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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.