Home / 147,647.76-221,500.82-54,154.32

Finding the Fourth Proportional to 147,647.76, 221,500.82 and 54,154.32

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Solution

The fourth proportional to 147,647.76, 221,500.82 and 54,154.32 is: 81,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,647.76 : 221,500.82 = 54,154.32 : x
  2. Step 2: Convert to fraction form
    147,647.76/221,500.82 = 54,154.32/x
  3. Step 3: Cross multiply
    147,647.76x = 221,500.82 × 54,154.32
  4. Step 4: Simplify right side
    147,647.76x = 11,995,226,286.54
  5. Step 5: Solve for x
    x = 11,995,226,286.54/147,647.76
  6. Step 6: Final answer
    x = 81,242.18

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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.