Home / 126,567.40-189,851.10-104,405.80

Finding the Fourth Proportional to 126,567.40, 189,851.10 and 104,405.80

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Solution

The fourth proportional to 126,567.40, 189,851.10 and 104,405.80 is: 156,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,567.40 : 189,851.10 = 104,405.80 : x
  2. Step 2: Convert to fraction form
    126,567.40/189,851.10 = 104,405.80/x
  3. Step 3: Cross multiply
    126,567.40x = 189,851.10 × 104,405.80
  4. Step 4: Simplify right side
    126,567.40x = 19,821,555,976.38
  5. Step 5: Solve for x
    x = 19,821,555,976.38/126,567.40
  6. Step 6: Final answer
    x = 156,608.70

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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.