Home / 147,179.76-221,753.04-133,157.58

Finding the Fourth Proportional to 147,179.76, 221,753.04 and 133,157.58

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Solution

The fourth proportional to 147,179.76, 221,753.04 and 133,157.58 is: 200,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,179.76 : 221,753.04 = 133,157.58 : x
  2. Step 2: Convert to fraction form
    147,179.76/221,753.04 = 133,157.58/x
  3. Step 3: Cross multiply
    147,179.76x = 221,753.04 × 133,157.58
  4. Step 4: Simplify right side
    147,179.76x = 29,528,098,164.04
  5. Step 5: Solve for x
    x = 29,528,098,164.04/147,179.76
  6. Step 6: Final answer
    x = 200,626.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.