Home / 115,327.08-159,156.90-65,025

Finding the Fourth Proportional to 115,327.08, 159,156.90 and 65,025

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Solution

The fourth proportional to 115,327.08, 159,156.90 and 65,025 is: 89,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,327.08 : 159,156.90 = 65,025 : x
  2. Step 2: Convert to fraction form
    115,327.08/159,156.90 = 65,025/x
  3. Step 3: Cross multiply
    115,327.08x = 159,156.90 × 65,025
  4. Step 4: Simplify right side
    115,327.08x = 10,349,177,422.50
  5. Step 5: Solve for x
    x = 10,349,177,422.50/115,327.08
  6. Step 6: Final answer
    x = 89,737.62

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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.