Home / 126,634.38-190,017.17-64,304.88

Finding the Fourth Proportional to 126,634.38, 190,017.17 and 64,304.88

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Solution

The fourth proportional to 126,634.38, 190,017.17 and 64,304.88 is: 96,490.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,634.38 : 190,017.17 = 64,304.88 : x
  2. Step 2: Convert to fraction form
    126,634.38/190,017.17 = 64,304.88/x
  3. Step 3: Cross multiply
    126,634.38x = 190,017.17 × 64,304.88
  4. Step 4: Simplify right side
    126,634.38x = 12,219,031,314.79
  5. Step 5: Solve for x
    x = 12,219,031,314.79/126,634.38
  6. Step 6: Final answer
    x = 96,490.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.