Home / 107,248.20-147,899.98-64,221.26

Finding the Fourth Proportional to 107,248.20, 147,899.98 and 64,221.26

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Solution

The fourth proportional to 107,248.20, 147,899.98 and 64,221.26 is: 88,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,248.20 : 147,899.98 = 64,221.26 : x
  2. Step 2: Convert to fraction form
    107,248.20/147,899.98 = 64,221.26/x
  3. Step 3: Cross multiply
    107,248.20x = 147,899.98 × 64,221.26
  4. Step 4: Simplify right side
    107,248.20x = 9,498,322,049.11
  5. Step 5: Solve for x
    x = 9,498,322,049.11/107,248.20
  6. Step 6: Final answer
    x = 88,563.93

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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.