Home / 107,167.14-147,889.46-61,844.60

Finding the Fourth Proportional to 107,167.14, 147,889.46 and 61,844.60

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Solution

The fourth proportional to 107,167.14, 147,889.46 and 61,844.60 is: 85,344.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,167.14 : 147,889.46 = 61,844.60 : x
  2. Step 2: Convert to fraction form
    107,167.14/147,889.46 = 61,844.60/x
  3. Step 3: Cross multiply
    107,167.14x = 147,889.46 × 61,844.60
  4. Step 4: Simplify right side
    107,167.14x = 9,146,164,497.92
  5. Step 5: Solve for x
    x = 9,146,164,497.92/107,167.14
  6. Step 6: Final answer
    x = 85,344.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.