Home / 148,437.80-222,462.30-131,719.40

Finding the Fourth Proportional to 148,437.80, 222,462.30 and 131,719.40

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Solution

The fourth proportional to 148,437.80, 222,462.30 and 131,719.40 is: 197,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,437.80 : 222,462.30 = 131,719.40 : x
  2. Step 2: Convert to fraction form
    148,437.80/222,462.30 = 131,719.40/x
  3. Step 3: Cross multiply
    148,437.80x = 222,462.30 × 131,719.40
  4. Step 4: Simplify right side
    148,437.80x = 29,302,600,678.62
  5. Step 5: Solve for x
    x = 29,302,600,678.62/148,437.80
  6. Step 6: Final answer
    x = 197,406.60

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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.