Home / 214,258.11-321,341.02-87,774.33

Finding the Fourth Proportional to 214,258.11, 321,341.02 and 87,774.33

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Solution

The fourth proportional to 214,258.11, 321,341.02 and 87,774.33 is: 131,642.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,258.11 : 321,341.02 = 87,774.33 : x
  2. Step 2: Convert to fraction form
    214,258.11/321,341.02 = 87,774.33/x
  3. Step 3: Cross multiply
    214,258.11x = 321,341.02 × 87,774.33
  4. Step 4: Simplify right side
    214,258.11x = 28,205,492,732.02
  5. Step 5: Solve for x
    x = 28,205,492,732.02/214,258.11
  6. Step 6: Final answer
    x = 131,642.59

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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.