Home / 148,165.38-222,051.24-85,015.76

Finding the Fourth Proportional to 148,165.38, 222,051.24 and 85,015.76

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Solution

The fourth proportional to 148,165.38, 222,051.24 and 85,015.76 is: 127,410.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,165.38 : 222,051.24 = 85,015.76 : x
  2. Step 2: Convert to fraction form
    148,165.38/222,051.24 = 85,015.76/x
  3. Step 3: Cross multiply
    148,165.38x = 222,051.24 × 85,015.76
  4. Step 4: Simplify right side
    148,165.38x = 18,877,853,817.29
  5. Step 5: Solve for x
    x = 18,877,853,817.29/148,165.38
  6. Step 6: Final answer
    x = 127,410.69

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1.5x scale

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.