Home / 214,595.19-321,899.54-102,287.61

Finding the Fourth Proportional to 214,595.19, 321,899.54 and 102,287.61

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Solution

The fourth proportional to 214,595.19, 321,899.54 and 102,287.61 is: 153,434.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,595.19 : 321,899.54 = 102,287.61 : x
  2. Step 2: Convert to fraction form
    214,595.19/321,899.54 = 102,287.61/x
  3. Step 3: Cross multiply
    214,595.19x = 321,899.54 × 102,287.61
  4. Step 4: Simplify right side
    214,595.19x = 32,926,334,095.26
  5. Step 5: Solve for x
    x = 32,926,334,095.26/214,595.19
  6. Step 6: Final answer
    x = 153,434.63

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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.