Home / 147,513.38-221,270.67-54,019.13

Finding the Fourth Proportional to 147,513.38, 221,270.67 and 54,019.13

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Solution

The fourth proportional to 147,513.38, 221,270.67 and 54,019.13 is: 81,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,513.38 : 221,270.67 = 54,019.13 : x
  2. Step 2: Convert to fraction form
    147,513.38/221,270.67 = 54,019.13/x
  3. Step 3: Cross multiply
    147,513.38x = 221,270.67 × 54,019.13
  4. Step 4: Simplify right side
    147,513.38x = 11,952,847,981.56
  5. Step 5: Solve for x
    x = 11,952,847,981.56/147,513.38
  6. Step 6: Final answer
    x = 81,028.91

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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.