Home / 142,204.80-196,325.76-126,456.96

Finding the Fourth Proportional to 142,204.80, 196,325.76 and 126,456.96

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Solution

The fourth proportional to 142,204.80, 196,325.76 and 126,456.96 is: 174,584.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,204.80 : 196,325.76 = 126,456.96 : x
  2. Step 2: Convert to fraction form
    142,204.80/196,325.76 = 126,456.96/x
  3. Step 3: Cross multiply
    142,204.80x = 196,325.76 × 126,456.96
  4. Step 4: Simplify right side
    142,204.80x = 24,826,758,779.29
  5. Step 5: Solve for x
    x = 24,826,758,779.29/142,204.80
  6. Step 6: Final answer
    x = 174,584.53

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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.