Home / 126,869.64-175,098.75-73,144.16

Finding the Fourth Proportional to 126,869.64, 175,098.75 and 73,144.16

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Solution

The fourth proportional to 126,869.64, 175,098.75 and 73,144.16 is: 100,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,869.64 : 175,098.75 = 73,144.16 : x
  2. Step 2: Convert to fraction form
    126,869.64/175,098.75 = 73,144.16/x
  3. Step 3: Cross multiply
    126,869.64x = 175,098.75 × 73,144.16
  4. Step 4: Simplify right side
    126,869.64x = 12,807,450,985.80
  5. Step 5: Solve for x
    x = 12,807,450,985.80/126,869.64
  6. Step 6: Final answer
    x = 100,949.69

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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.