Home / 95,143.96-131,145.62-64,507.12

Finding the Fourth Proportional to 95,143.96, 131,145.62 and 64,507.12

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Solution

The fourth proportional to 95,143.96, 131,145.62 and 64,507.12 is: 88,916.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,143.96 : 131,145.62 = 64,507.12 : x
  2. Step 2: Convert to fraction form
    95,143.96/131,145.62 = 64,507.12/x
  3. Step 3: Cross multiply
    95,143.96x = 131,145.62 × 64,507.12
  4. Step 4: Simplify right side
    95,143.96x = 8,459,826,246.81
  5. Step 5: Solve for x
    x = 8,459,826,246.81/95,143.96
  6. Step 6: Final answer
    x = 88,916.06

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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.