Home / 126,542.96-189,827.40-47,723.48

Finding the Fourth Proportional to 126,542.96, 189,827.40 and 47,723.48

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Solution

The fourth proportional to 126,542.96, 189,827.40 and 47,723.48 is: 71,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,542.96 : 189,827.40 = 47,723.48 : x
  2. Step 2: Convert to fraction form
    126,542.96/189,827.40 = 47,723.48/x
  3. Step 3: Cross multiply
    126,542.96x = 189,827.40 × 47,723.48
  4. Step 4: Simplify right side
    126,542.96x = 9,059,224,127.35
  5. Step 5: Solve for x
    x = 9,059,224,127.35/126,542.96
  6. Step 6: Final answer
    x = 71,590.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.