Home / 84,023.07-126,087.15-34,103.16

Finding the Fourth Proportional to 84,023.07, 126,087.15 and 34,103.16

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Solution

The fourth proportional to 84,023.07, 126,087.15 and 34,103.16 is: 51,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,023.07 : 126,087.15 = 34,103.16 : x
  2. Step 2: Convert to fraction form
    84,023.07/126,087.15 = 34,103.16/x
  3. Step 3: Cross multiply
    84,023.07x = 126,087.15 × 34,103.16
  4. Step 4: Simplify right side
    84,023.07x = 4,299,970,079.88
  5. Step 5: Solve for x
    x = 4,299,970,079.88/84,023.07
  6. Step 6: Final answer
    x = 51,176.06

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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.