Home / 126,597.32-174,651.54-72,869.48

Finding the Fourth Proportional to 126,597.32, 174,651.54 and 72,869.48

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Solution

The fourth proportional to 126,597.32, 174,651.54 and 72,869.48 is: 100,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,597.32 : 174,651.54 = 72,869.48 : x
  2. Step 2: Convert to fraction form
    126,597.32/174,651.54 = 72,869.48/x
  3. Step 3: Cross multiply
    126,597.32x = 174,651.54 × 72,869.48
  4. Step 4: Simplify right side
    126,597.32x = 12,726,766,901.00
  5. Step 5: Solve for x
    x = 12,726,766,901.00/126,597.32
  6. Step 6: Final answer
    x = 100,529.51

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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.