Home / 147,389.28-221,083.92-36,581.28

Finding the Fourth Proportional to 147,389.28, 221,083.92 and 36,581.28

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Solution

The fourth proportional to 147,389.28, 221,083.92 and 36,581.28 is: 54,871.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,389.28 : 221,083.92 = 36,581.28 : x
  2. Step 2: Convert to fraction form
    147,389.28/221,083.92 = 36,581.28/x
  3. Step 3: Cross multiply
    147,389.28x = 221,083.92 × 36,581.28
  4. Step 4: Simplify right side
    147,389.28x = 8,087,532,781.02
  5. Step 5: Solve for x
    x = 8,087,532,781.02/147,389.28
  6. Step 6: Final answer
    x = 54,871.92

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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.