Home / 84,268.08-126,420.35-25,108.52

Finding the Fourth Proportional to 84,268.08, 126,420.35 and 25,108.52

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Solution

The fourth proportional to 84,268.08, 126,420.35 and 25,108.52 is: 37,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,268.08 : 126,420.35 = 25,108.52 : x
  2. Step 2: Convert to fraction form
    84,268.08/126,420.35 = 25,108.52/x
  3. Step 3: Cross multiply
    84,268.08x = 126,420.35 × 25,108.52
  4. Step 4: Simplify right side
    84,268.08x = 3,174,227,128.74
  5. Step 5: Solve for x
    x = 3,174,227,128.74/84,268.08
  6. Step 6: Final answer
    x = 37,668.20

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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.