Home / 147,378.30-221,103.90-47,549.04

Finding the Fourth Proportional to 147,378.30, 221,103.90 and 47,549.04

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Solution

The fourth proportional to 147,378.30, 221,103.90 and 47,549.04 is: 71,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,378.30 : 221,103.90 = 47,549.04 : x
  2. Step 2: Convert to fraction form
    147,378.30/221,103.90 = 47,549.04/x
  3. Step 3: Cross multiply
    147,378.30x = 221,103.90 × 47,549.04
  4. Step 4: Simplify right side
    147,378.30x = 10,513,278,185.26
  5. Step 5: Solve for x
    x = 10,513,278,185.26/147,378.30
  6. Step 6: Final answer
    x = 71,335.32

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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.