Home / 146,734.14-220,072.05-71,822.10

Finding the Fourth Proportional to 146,734.14, 220,072.05 and 71,822.10

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Solution

The fourth proportional to 146,734.14, 220,072.05 and 71,822.10 is: 107,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,734.14 : 220,072.05 = 71,822.10 : x
  2. Step 2: Convert to fraction form
    146,734.14/220,072.05 = 71,822.10/x
  3. Step 3: Cross multiply
    146,734.14x = 220,072.05 × 71,822.10
  4. Step 4: Simplify right side
    146,734.14x = 15,806,036,782.31
  5. Step 5: Solve for x
    x = 15,806,036,782.31/146,734.14
  6. Step 6: Final answer
    x = 107,718.88

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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.