Home / 145,154.35-217,745.22-56,414.65

Finding the Fourth Proportional to 145,154.35, 217,745.22 and 56,414.65

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Solution

The fourth proportional to 145,154.35, 217,745.22 and 56,414.65 is: 84,627.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,154.35 : 217,745.22 = 56,414.65 : x
  2. Step 2: Convert to fraction form
    145,154.35/217,745.22 = 56,414.65/x
  3. Step 3: Cross multiply
    145,154.35x = 217,745.22 × 56,414.65
  4. Step 4: Simplify right side
    145,154.35x = 12,284,020,375.47
  5. Step 5: Solve for x
    x = 12,284,020,375.47/145,154.35
  6. Step 6: Final answer
    x = 84,627.30

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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.