Home / 84,193.45-126,180.48-34,215.13

Finding the Fourth Proportional to 84,193.45, 126,180.48 and 34,215.13

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Solution

The fourth proportional to 84,193.45, 126,180.48 and 34,215.13 is: 51,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,193.45 : 126,180.48 = 34,215.13 : x
  2. Step 2: Convert to fraction form
    84,193.45/126,180.48 = 34,215.13/x
  3. Step 3: Cross multiply
    84,193.45x = 126,180.48 × 34,215.13
  4. Step 4: Simplify right side
    84,193.45x = 4,317,281,526.66
  5. Step 5: Solve for x
    x = 4,317,281,526.66/84,193.45
  6. Step 6: Final answer
    x = 51,278.12

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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.