Home / 214,456.10-321,392.55-143,176.10

Finding the Fourth Proportional to 214,456.10, 321,392.55 and 143,176.10

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Solution

The fourth proportional to 214,456.10, 321,392.55 and 143,176.10 is: 214,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,456.10 : 321,392.55 = 143,176.10 : x
  2. Step 2: Convert to fraction form
    214,456.10/321,392.55 = 143,176.10/x
  3. Step 3: Cross multiply
    214,456.10x = 321,392.55 × 143,176.10
  4. Step 4: Simplify right side
    214,456.10x = 46,015,731,878.06
  5. Step 5: Solve for x
    x = 46,015,731,878.06/214,456.10
  6. Step 6: Final answer
    x = 214,569.47

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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.