Home / 147,845.65-221,713.80-48,009.10

Finding the Fourth Proportional to 147,845.65, 221,713.80 and 48,009.10

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Solution

The fourth proportional to 147,845.65, 221,713.80 and 48,009.10 is: 71,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,845.65 : 221,713.80 = 48,009.10 : x
  2. Step 2: Convert to fraction form
    147,845.65/221,713.80 = 48,009.10/x
  3. Step 3: Cross multiply
    147,845.65x = 221,713.80 × 48,009.10
  4. Step 4: Simplify right side
    147,845.65x = 10,644,279,995.58
  5. Step 5: Solve for x
    x = 10,644,279,995.58/147,845.65
  6. Step 6: Final answer
    x = 71,995.90

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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.