Home / 148,936.70-223,405.05-85,951.10

Finding the Fourth Proportional to 148,936.70, 223,405.05 and 85,951.10

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Solution

The fourth proportional to 148,936.70, 223,405.05 and 85,951.10 is: 128,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,936.70 : 223,405.05 = 85,951.10 : x
  2. Step 2: Convert to fraction form
    148,936.70/223,405.05 = 85,951.10/x
  3. Step 3: Cross multiply
    148,936.70x = 223,405.05 × 85,951.10
  4. Step 4: Simplify right side
    148,936.70x = 19,201,909,793.06
  5. Step 5: Solve for x
    x = 19,201,909,793.06/148,936.70
  6. Step 6: Final answer
    x = 128,926.65

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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.