Home / 84,519.98-126,779.96-68,706.14

Finding the Fourth Proportional to 84,519.98, 126,779.96 and 68,706.14

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Solution

The fourth proportional to 84,519.98, 126,779.96 and 68,706.14 is: 103,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,519.98 : 126,779.96 = 68,706.14 : x
  2. Step 2: Convert to fraction form
    84,519.98/126,779.96 = 68,706.14/x
  3. Step 3: Cross multiply
    84,519.98x = 126,779.96 × 68,706.14
  4. Step 4: Simplify right side
    84,519.98x = 8,710,561,680.95
  5. Step 5: Solve for x
    x = 8,710,561,680.95/84,519.98
  6. Step 6: Final answer
    x = 103,059.20

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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.