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Finding the Fourth Proportional to 146,577.60, 219,736.80 and 87,350.40

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Solution

The fourth proportional to 146,577.60, 219,736.80 and 87,350.40 is: 130,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,577.60 : 219,736.80 = 87,350.40 : x
  2. Step 2: Convert to fraction form
    146,577.60/219,736.80 = 87,350.40/x
  3. Step 3: Cross multiply
    146,577.60x = 219,736.80 × 87,350.40
  4. Step 4: Simplify right side
    146,577.60x = 19,194,097,374.72
  5. Step 5: Solve for x
    x = 19,194,097,374.72/146,577.60
  6. Step 6: Final answer
    x = 130,948.37

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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.