Home / 124,919.61-187,381.85-45,993.21

Finding the Fourth Proportional to 124,919.61, 187,381.85 and 45,993.21

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Solution

The fourth proportional to 124,919.61, 187,381.85 and 45,993.21 is: 68,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,919.61 : 187,381.85 = 45,993.21 : x
  2. Step 2: Convert to fraction form
    124,919.61/187,381.85 = 45,993.21/x
  3. Step 3: Cross multiply
    124,919.61x = 187,381.85 × 45,993.21
  4. Step 4: Simplify right side
    124,919.61x = 8,618,292,547.27
  5. Step 5: Solve for x
    x = 8,618,292,547.27/124,919.61
  6. Step 6: Final answer
    x = 68,990.71

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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.