Home / 146,938.24-220,284.48-68,109.04

Finding the Fourth Proportional to 146,938.24, 220,284.48 and 68,109.04

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Solution

The fourth proportional to 146,938.24, 220,284.48 and 68,109.04 is: 102,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,938.24 : 220,284.48 = 68,109.04 : x
  2. Step 2: Convert to fraction form
    146,938.24/220,284.48 = 68,109.04/x
  3. Step 3: Cross multiply
    146,938.24x = 220,284.48 × 68,109.04
  4. Step 4: Simplify right side
    146,938.24x = 15,003,364,459.70
  5. Step 5: Solve for x
    x = 15,003,364,459.70/146,938.24
  6. Step 6: Final answer
    x = 102,106.60

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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.