Home / 124,823.78-187,217.21-45,919.55

Finding the Fourth Proportional to 124,823.78, 187,217.21 and 45,919.55

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Solution

The fourth proportional to 124,823.78, 187,217.21 and 45,919.55 is: 68,872.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,823.78 : 187,217.21 = 45,919.55 : x
  2. Step 2: Convert to fraction form
    124,823.78/187,217.21 = 45,919.55/x
  3. Step 3: Cross multiply
    124,823.78x = 187,217.21 × 45,919.55
  4. Step 4: Simplify right side
    124,823.78x = 8,596,928,869.77
  5. Step 5: Solve for x
    x = 8,596,928,869.77/124,823.78
  6. Step 6: Final answer
    x = 68,872.53

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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.