Home / 126,306.36-174,304.20-69,717.72

Finding the Fourth Proportional to 126,306.36, 174,304.20 and 69,717.72

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Solution

The fourth proportional to 126,306.36, 174,304.20 and 69,717.72 is: 96,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,306.36 : 174,304.20 = 69,717.72 : x
  2. Step 2: Convert to fraction form
    126,306.36/174,304.20 = 69,717.72/x
  3. Step 3: Cross multiply
    126,306.36x = 174,304.20 × 69,717.72
  4. Step 4: Simplify right side
    126,306.36x = 12,152,091,410.42
  5. Step 5: Solve for x
    x = 12,152,091,410.42/126,306.36
  6. Step 6: Final answer
    x = 96,211.24

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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.