Home / 84,272.40-126,415.08-25,103.52

Finding the Fourth Proportional to 84,272.40, 126,415.08 and 25,103.52

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Solution

The fourth proportional to 84,272.40, 126,415.08 and 25,103.52 is: 37,657.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,272.40 : 126,415.08 = 25,103.52 : x
  2. Step 2: Convert to fraction form
    84,272.40/126,415.08 = 25,103.52/x
  3. Step 3: Cross multiply
    84,272.40x = 126,415.08 × 25,103.52
  4. Step 4: Simplify right side
    84,272.40x = 3,173,463,489.08
  5. Step 5: Solve for x
    x = 3,173,463,489.08/84,272.40
  6. Step 6: Final answer
    x = 37,657.21

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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.