Home / 126,276.34-174,261-69,687.31

Finding the Fourth Proportional to 126,276.34, 174,261 and 69,687.31

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Solution

The fourth proportional to 126,276.34, 174,261 and 69,687.31 is: 96,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,276.34 : 174,261 = 69,687.31 : x
  2. Step 2: Convert to fraction form
    126,276.34/174,261 = 69,687.31/x
  3. Step 3: Cross multiply
    126,276.34x = 174,261 × 69,687.31
  4. Step 4: Simplify right side
    126,276.34x = 12,143,780,327.91
  5. Step 5: Solve for x
    x = 12,143,780,327.91/126,276.34
  6. Step 6: Final answer
    x = 96,168.30

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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.