Home / 148,437.60-222,795.60-78,367.20

Finding the Fourth Proportional to 148,437.60, 222,795.60 and 78,367.20

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Solution

The fourth proportional to 148,437.60, 222,795.60 and 78,367.20 is: 117,624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,437.60 : 222,795.60 = 78,367.20 : x
  2. Step 2: Convert to fraction form
    148,437.60/222,795.60 = 78,367.20/x
  3. Step 3: Cross multiply
    148,437.60x = 222,795.60 × 78,367.20
  4. Step 4: Simplify right side
    148,437.60x = 17,459,867,344.32
  5. Step 5: Solve for x
    x = 17,459,867,344.32/148,437.60
  6. Step 6: Final answer
    x = 117,624.29

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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.