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Finding the Fourth Proportional to 146,871.60, 220,307.40 and 130,250.40

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Solution

The fourth proportional to 146,871.60, 220,307.40 and 130,250.40 is: 195,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,871.60 : 220,307.40 = 130,250.40 : x
  2. Step 2: Convert to fraction form
    146,871.60/220,307.40 = 130,250.40/x
  3. Step 3: Cross multiply
    146,871.60x = 220,307.40 × 130,250.40
  4. Step 4: Simplify right side
    146,871.60x = 28,695,126,972.96
  5. Step 5: Solve for x
    x = 28,695,126,972.96/146,871.60
  6. Step 6: Final answer
    x = 195,375.60

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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.