Home / 214,136.86-321,095.92-79,194.10

Finding the Fourth Proportional to 214,136.86, 321,095.92 and 79,194.10

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Solution

The fourth proportional to 214,136.86, 321,095.92 and 79,194.10 is: 118,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,136.86 : 321,095.92 = 79,194.10 : x
  2. Step 2: Convert to fraction form
    214,136.86/321,095.92 = 79,194.10/x
  3. Step 3: Cross multiply
    214,136.86x = 321,095.92 × 79,194.10
  4. Step 4: Simplify right side
    214,136.86x = 25,428,902,398.07
  5. Step 5: Solve for x
    x = 25,428,902,398.07/214,136.86
  6. Step 6: Final answer
    x = 118,750.70

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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.