Home / 126,838.08-175,053.69-73,122.12

Finding the Fourth Proportional to 126,838.08, 175,053.69 and 73,122.12

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Solution

The fourth proportional to 126,838.08, 175,053.69 and 73,122.12 is: 100,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,838.08 : 175,053.69 = 73,122.12 : x
  2. Step 2: Convert to fraction form
    126,838.08/175,053.69 = 73,122.12/x
  3. Step 3: Cross multiply
    126,838.08x = 175,053.69 × 73,122.12
  4. Step 4: Simplify right side
    126,838.08x = 12,800,296,926.62
  5. Step 5: Solve for x
    x = 12,800,296,926.62/126,838.08
  6. Step 6: Final answer
    x = 100,918.41

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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.