Home / 115,941.53-159,998.96-64,261.92

Finding the Fourth Proportional to 115,941.53, 159,998.96 and 64,261.92

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Solution

The fourth proportional to 115,941.53, 159,998.96 and 64,261.92 is: 88,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,941.53 : 159,998.96 = 64,261.92 : x
  2. Step 2: Convert to fraction form
    115,941.53/159,998.96 = 64,261.92/x
  3. Step 3: Cross multiply
    115,941.53x = 159,998.96 × 64,261.92
  4. Step 4: Simplify right side
    115,941.53x = 10,281,840,046.29
  5. Step 5: Solve for x
    x = 10,281,840,046.29/115,941.53
  6. Step 6: Final answer
    x = 88,681.26

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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.