Home / 146,734.90-220,102.35-71,866.60

Finding the Fourth Proportional to 146,734.90, 220,102.35 and 71,866.60

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Solution

The fourth proportional to 146,734.90, 220,102.35 and 71,866.60 is: 107,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,734.90 : 220,102.35 = 71,866.60 : x
  2. Step 2: Convert to fraction form
    146,734.90/220,102.35 = 71,866.60/x
  3. Step 3: Cross multiply
    146,734.90x = 220,102.35 × 71,866.60
  4. Step 4: Simplify right side
    146,734.90x = 15,818,007,546.51
  5. Step 5: Solve for x
    x = 15,818,007,546.51/146,734.90
  6. Step 6: Final answer
    x = 107,799.90

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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.