Home / 214,603.29-321,904.98-81,483.66

Finding the Fourth Proportional to 214,603.29, 321,904.98 and 81,483.66

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Solution

The fourth proportional to 214,603.29, 321,904.98 and 81,483.66 is: 122,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,603.29 : 321,904.98 = 81,483.66 : x
  2. Step 2: Convert to fraction form
    214,603.29/321,904.98 = 81,483.66/x
  3. Step 3: Cross multiply
    214,603.29x = 321,904.98 × 81,483.66
  4. Step 4: Simplify right side
    214,603.29x = 26,229,995,942.63
  5. Step 5: Solve for x
    x = 26,229,995,942.63/214,603.29
  6. Step 6: Final answer
    x = 122,225.51

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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.