Home / 214,262.39-321,415.47-74,002.79

Finding the Fourth Proportional to 214,262.39, 321,415.47 and 74,002.79

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Solution

The fourth proportional to 214,262.39, 321,415.47 and 74,002.79 is: 111,011.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,262.39 : 321,415.47 = 74,002.79 : x
  2. Step 2: Convert to fraction form
    214,262.39/321,415.47 = 74,002.79/x
  3. Step 3: Cross multiply
    214,262.39x = 321,415.47 × 74,002.79
  4. Step 4: Simplify right side
    214,262.39x = 23,785,642,332.70
  5. Step 5: Solve for x
    x = 23,785,642,332.70/214,262.39
  6. Step 6: Final answer
    x = 111,011.75

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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.