Home / 198,973.50-274,765.87-126,399.83

Finding the Fourth Proportional to 198,973.50, 274,765.87 and 126,399.83

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Solution

The fourth proportional to 198,973.50, 274,765.87 and 126,399.83 is: 174,547.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,973.50 : 274,765.87 = 126,399.83 : x
  2. Step 2: Convert to fraction form
    198,973.50/274,765.87 = 126,399.83/x
  3. Step 3: Cross multiply
    198,973.50x = 274,765.87 × 126,399.83
  4. Step 4: Simplify right side
    198,973.50x = 34,730,358,041.97
  5. Step 5: Solve for x
    x = 34,730,358,041.97/198,973.50
  6. Step 6: Final answer
    x = 174,547.66

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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.