Home / 126,374.31-174,396.24-72,656.73

Finding the Fourth Proportional to 126,374.31, 174,396.24 and 72,656.73

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Solution

The fourth proportional to 126,374.31, 174,396.24 and 72,656.73 is: 100,266.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,374.31 : 174,396.24 = 72,656.73 : x
  2. Step 2: Convert to fraction form
    126,374.31/174,396.24 = 72,656.73/x
  3. Step 3: Cross multiply
    126,374.31x = 174,396.24 × 72,656.73
  4. Step 4: Simplify right side
    126,374.31x = 12,671,060,522.70
  5. Step 5: Solve for x
    x = 12,671,060,522.70/126,374.31
  6. Step 6: Final answer
    x = 100,266.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.