Home / 126,843.18-175,043.40-70,254.48

Finding the Fourth Proportional to 126,843.18, 175,043.40 and 70,254.48

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Solution

The fourth proportional to 126,843.18, 175,043.40 and 70,254.48 is: 96,951.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,843.18 : 175,043.40 = 70,254.48 : x
  2. Step 2: Convert to fraction form
    126,843.18/175,043.40 = 70,254.48/x
  3. Step 3: Cross multiply
    126,843.18x = 175,043.40 × 70,254.48
  4. Step 4: Simplify right side
    126,843.18x = 12,297,583,044.43
  5. Step 5: Solve for x
    x = 12,297,583,044.43/126,843.18
  6. Step 6: Final answer
    x = 96,951.08

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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.