Home / 126,458.88-174,594.61-81,156.39

Finding the Fourth Proportional to 126,458.88, 174,594.61 and 81,156.39

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Solution

The fourth proportional to 126,458.88, 174,594.61 and 81,156.39 is: 112,048.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,458.88 : 174,594.61 = 81,156.39 : x
  2. Step 2: Convert to fraction form
    126,458.88/174,594.61 = 81,156.39/x
  3. Step 3: Cross multiply
    126,458.88x = 174,594.61 × 81,156.39
  4. Step 4: Simplify right side
    126,458.88x = 14,169,467,251.27
  5. Step 5: Solve for x
    x = 14,169,467,251.27/126,458.88
  6. Step 6: Final answer
    x = 112,048.02

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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.