Home / 126,821.32-175,013.08-73,106.04

Finding the Fourth Proportional to 126,821.32, 175,013.08 and 73,106.04

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Solution

The fourth proportional to 126,821.32, 175,013.08 and 73,106.04 is: 100,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,821.32 : 175,013.08 = 73,106.04 : x
  2. Step 2: Convert to fraction form
    126,821.32/175,013.08 = 73,106.04/x
  3. Step 3: Cross multiply
    126,821.32x = 175,013.08 × 73,106.04
  4. Step 4: Simplify right side
    126,821.32x = 12,794,513,227.00
  5. Step 5: Solve for x
    x = 12,794,513,227.00/126,821.32
  6. Step 6: Final answer
    x = 100,886.14

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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.