Home / 147,380.30-221,106.90-47,551.04

Finding the Fourth Proportional to 147,380.30, 221,106.90 and 47,551.04

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Solution

The fourth proportional to 147,380.30, 221,106.90 and 47,551.04 is: 71,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,380.30 : 221,106.90 = 47,551.04 : x
  2. Step 2: Convert to fraction form
    147,380.30/221,106.90 = 47,551.04/x
  3. Step 3: Cross multiply
    147,380.30x = 221,106.90 × 47,551.04
  4. Step 4: Simplify right side
    147,380.30x = 10,513,863,046.18
  5. Step 5: Solve for x
    x = 10,513,863,046.18/147,380.30
  6. Step 6: Final answer
    x = 71,338.32

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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.