Home / 84,200.46-126,234.48-42,058.80

Finding the Fourth Proportional to 84,200.46, 126,234.48 and 42,058.80

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Solution

The fourth proportional to 84,200.46, 126,234.48 and 42,058.80 is: 63,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,200.46 : 126,234.48 = 42,058.80 : x
  2. Step 2: Convert to fraction form
    84,200.46/126,234.48 = 42,058.80/x
  3. Step 3: Cross multiply
    84,200.46x = 126,234.48 × 42,058.80
  4. Step 4: Simplify right side
    84,200.46x = 5,309,270,747.42
  5. Step 5: Solve for x
    x = 5,309,270,747.42/84,200.46
  6. Step 6: Final answer
    x = 63,055.13

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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.