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Finding the Fourth Proportional to 150,062.98, 225,094.46 and 61,316.40

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Solution

The fourth proportional to 150,062.98, 225,094.46 and 61,316.40 is: 91,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,062.98 : 225,094.46 = 61,316.40 : x
  2. Step 2: Convert to fraction form
    150,062.98/225,094.46 = 61,316.40/x
  3. Step 3: Cross multiply
    150,062.98x = 225,094.46 × 61,316.40
  4. Step 4: Simplify right side
    150,062.98x = 13,801,981,947.14
  5. Step 5: Solve for x
    x = 13,801,981,947.14/150,062.98
  6. Step 6: Final answer
    x = 91,974.60

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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.