Home / 107,147.64-147,869.96-64,712.44

Finding the Fourth Proportional to 107,147.64, 147,869.96 and 64,712.44

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Solution

The fourth proportional to 107,147.64, 147,869.96 and 64,712.44 is: 89,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,147.64 : 147,869.96 = 64,712.44 : x
  2. Step 2: Convert to fraction form
    107,147.64/147,869.96 = 64,712.44/x
  3. Step 3: Cross multiply
    107,147.64x = 147,869.96 × 64,712.44
  4. Step 4: Simplify right side
    107,147.64x = 9,569,025,914.30
  5. Step 5: Solve for x
    x = 9,569,025,914.30/107,147.64
  6. Step 6: Final answer
    x = 89,306.92

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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.