Home / 115,431.45-173,145.29-36,545.55

Finding the Fourth Proportional to 115,431.45, 173,145.29 and 36,545.55

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Solution

The fourth proportional to 115,431.45, 173,145.29 and 36,545.55 is: 54,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,431.45 : 173,145.29 = 36,545.55 : x
  2. Step 2: Convert to fraction form
    115,431.45/173,145.29 = 36,545.55/x
  3. Step 3: Cross multiply
    115,431.45x = 173,145.29 × 36,545.55
  4. Step 4: Simplify right side
    115,431.45x = 6,327,689,670.23
  5. Step 5: Solve for x
    x = 6,327,689,670.23/115,431.45
  6. Step 6: Final answer
    x = 54,817.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.