Home / 126,244.89-174,226.50-72,551.31

Finding the Fourth Proportional to 126,244.89, 174,226.50 and 72,551.31

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Solution

The fourth proportional to 126,244.89, 174,226.50 and 72,551.31 is: 100,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,244.89 : 174,226.50 = 72,551.31 : x
  2. Step 2: Convert to fraction form
    126,244.89/174,226.50 = 72,551.31/x
  3. Step 3: Cross multiply
    126,244.89x = 174,226.50 × 72,551.31
  4. Step 4: Simplify right side
    126,244.89x = 12,640,360,811.72
  5. Step 5: Solve for x
    x = 12,640,360,811.72/126,244.89
  6. Step 6: Final answer
    x = 100,125.72

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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.