Home / 104,239.84-156,326.92-34,102.80

Finding the Fourth Proportional to 104,239.84, 156,326.92 and 34,102.80

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Solution

The fourth proportional to 104,239.84, 156,326.92 and 34,102.80 is: 51,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,239.84 : 156,326.92 = 34,102.80 : x
  2. Step 2: Convert to fraction form
    104,239.84/156,326.92 = 34,102.80/x
  3. Step 3: Cross multiply
    104,239.84x = 156,326.92 × 34,102.80
  4. Step 4: Simplify right side
    104,239.84x = 5,331,185,687.38
  5. Step 5: Solve for x
    x = 5,331,185,687.38/104,239.84
  6. Step 6: Final answer
    x = 51,143.46

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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.