Home / 147,769.10-221,686.06-47,939.39

Finding the Fourth Proportional to 147,769.10, 221,686.06 and 47,939.39

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Solution

The fourth proportional to 147,769.10, 221,686.06 and 47,939.39 is: 71,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,769.10 : 221,686.06 = 47,939.39 : x
  2. Step 2: Convert to fraction form
    147,769.10/221,686.06 = 47,939.39/x
  3. Step 3: Cross multiply
    147,769.10x = 221,686.06 × 47,939.39
  4. Step 4: Simplify right side
    147,769.10x = 10,627,494,487.90
  5. Step 5: Solve for x
    x = 10,627,494,487.90/147,769.10
  6. Step 6: Final answer
    x = 71,919.60

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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.