Home / 115,884.53-159,907.44-64,890.17

Finding the Fourth Proportional to 115,884.53, 159,907.44 and 64,890.17

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Solution

The fourth proportional to 115,884.53, 159,907.44 and 64,890.17 is: 89,541.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,884.53 : 159,907.44 = 64,890.17 : x
  2. Step 2: Convert to fraction form
    115,884.53/159,907.44 = 64,890.17/x
  3. Step 3: Cross multiply
    115,884.53x = 159,907.44 × 64,890.17
  4. Step 4: Simplify right side
    115,884.53x = 10,376,420,965.86
  5. Step 5: Solve for x
    x = 10,376,420,965.86/115,884.53
  6. Step 6: Final answer
    x = 89,541.04

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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.