Home / 214,828.61-321,752.03-102,587.45

Finding the Fourth Proportional to 214,828.61, 321,752.03 and 102,587.45

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Solution

The fourth proportional to 214,828.61, 321,752.03 and 102,587.45 is: 153,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,828.61 : 321,752.03 = 102,587.45 : x
  2. Step 2: Convert to fraction form
    214,828.61/321,752.03 = 102,587.45/x
  3. Step 3: Cross multiply
    214,828.61x = 321,752.03 × 102,587.45
  4. Step 4: Simplify right side
    214,828.61x = 33,007,718,168.33
  5. Step 5: Solve for x
    x = 33,007,718,168.33/214,828.61
  6. Step 6: Final answer
    x = 153,646.76

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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.