Home / 122,016.25-168,374.20-67,564.50

Finding the Fourth Proportional to 122,016.25, 168,374.20 and 67,564.50

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Solution

The fourth proportional to 122,016.25, 168,374.20 and 67,564.50 is: 93,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,016.25 : 168,374.20 = 67,564.50 : x
  2. Step 2: Convert to fraction form
    122,016.25/168,374.20 = 67,564.50/x
  3. Step 3: Cross multiply
    122,016.25x = 168,374.20 × 67,564.50
  4. Step 4: Simplify right side
    122,016.25x = 11,376,118,635.90
  5. Step 5: Solve for x
    x = 11,376,118,635.90/122,016.25
  6. Step 6: Final answer
    x = 93,234.46

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1.5x scale

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.