Home / 115,242.66-159,036.57-64,253.88

Finding the Fourth Proportional to 115,242.66, 159,036.57 and 64,253.88

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Solution

The fourth proportional to 115,242.66, 159,036.57 and 64,253.88 is: 88,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,242.66 : 159,036.57 = 64,253.88 : x
  2. Step 2: Convert to fraction form
    115,242.66/159,036.57 = 64,253.88/x
  3. Step 3: Cross multiply
    115,242.66x = 159,036.57 × 64,253.88
  4. Step 4: Simplify right side
    115,242.66x = 10,218,716,684.39
  5. Step 5: Solve for x
    x = 10,218,716,684.39/115,242.66
  6. Step 6: Final answer
    x = 88,671.30

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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.