Home / 126,712.14-174,820.03-72,995.77

Finding the Fourth Proportional to 126,712.14, 174,820.03 and 72,995.77

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Solution

The fourth proportional to 126,712.14, 174,820.03 and 72,995.77 is: 100,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,712.14 : 174,820.03 = 72,995.77 : x
  2. Step 2: Convert to fraction form
    126,712.14/174,820.03 = 72,995.77/x
  3. Step 3: Cross multiply
    126,712.14x = 174,820.03 × 72,995.77
  4. Step 4: Simplify right side
    126,712.14x = 12,761,122,701.27
  5. Step 5: Solve for x
    x = 12,761,122,701.27/126,712.14
  6. Step 6: Final answer
    x = 100,709.55

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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.