Home / 147,652.41-221,513.85-47,812.71

Finding the Fourth Proportional to 147,652.41, 221,513.85 and 47,812.71

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Solution

The fourth proportional to 147,652.41, 221,513.85 and 47,812.71 is: 71,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,652.41 : 221,513.85 = 47,812.71 : x
  2. Step 2: Convert to fraction form
    147,652.41/221,513.85 = 47,812.71/x
  3. Step 3: Cross multiply
    147,652.41x = 221,513.85 × 47,812.71
  4. Step 4: Simplify right side
    147,652.41x = 10,591,177,471.03
  5. Step 5: Solve for x
    x = 10,591,177,471.03/147,652.41
  6. Step 6: Final answer
    x = 71,730.47

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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.