Home / 115,657.03-159,599.29-64,673.96

Finding the Fourth Proportional to 115,657.03, 159,599.29 and 64,673.96

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Solution

The fourth proportional to 115,657.03, 159,599.29 and 64,673.96 is: 89,245.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,657.03 : 159,599.29 = 64,673.96 : x
  2. Step 2: Convert to fraction form
    115,657.03/159,599.29 = 64,673.96/x
  3. Step 3: Cross multiply
    115,657.03x = 159,599.29 × 64,673.96
  4. Step 4: Simplify right side
    115,657.03x = 10,321,918,658.17
  5. Step 5: Solve for x
    x = 10,321,918,658.17/115,657.03
  6. Step 6: Final answer
    x = 89,245.92

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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.