Home / 214,266.15-321,421.10-74,006.55

Finding the Fourth Proportional to 214,266.15, 321,421.10 and 74,006.55

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Solution

The fourth proportional to 214,266.15, 321,421.10 and 74,006.55 is: 111,017.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,266.15 : 321,421.10 = 74,006.55 : x
  2. Step 2: Convert to fraction form
    214,266.15/321,421.10 = 74,006.55/x
  3. Step 3: Cross multiply
    214,266.15x = 321,421.10 × 74,006.55
  4. Step 4: Simplify right side
    214,266.15x = 23,787,266,338.17
  5. Step 5: Solve for x
    x = 23,787,266,338.17/214,266.15
  6. Step 6: Final answer
    x = 111,017.38

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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.