Home / 84,567.13-126,849.78-25,400.27

Finding the Fourth Proportional to 84,567.13, 126,849.78 and 25,400.27

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Solution

The fourth proportional to 84,567.13, 126,849.78 and 25,400.27 is: 38,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,567.13 : 126,849.78 = 25,400.27 : x
  2. Step 2: Convert to fraction form
    84,567.13/126,849.78 = 25,400.27/x
  3. Step 3: Cross multiply
    84,567.13x = 126,849.78 × 25,400.27
  4. Step 4: Simplify right side
    84,567.13x = 3,222,018,978.57
  5. Step 5: Solve for x
    x = 3,222,018,978.57/84,567.13
  6. Step 6: Final answer
    x = 38,100.14

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1.5x scale

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.