Home / 115,286.32-159,096.02-64,302.29

Finding the Fourth Proportional to 115,286.32, 159,096.02 and 64,302.29

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Solution

The fourth proportional to 115,286.32, 159,096.02 and 64,302.29 is: 88,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,286.32 : 159,096.02 = 64,302.29 : x
  2. Step 2: Convert to fraction form
    115,286.32/159,096.02 = 64,302.29/x
  3. Step 3: Cross multiply
    115,286.32x = 159,096.02 × 64,302.29
  4. Step 4: Simplify right side
    115,286.32x = 10,230,237,298.89
  5. Step 5: Solve for x
    x = 10,230,237,298.89/115,286.32
  6. Step 6: Final answer
    x = 88,737.65

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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.