Home / 214,259.76-321,411.53-74,000.16

Finding the Fourth Proportional to 214,259.76, 321,411.53 and 74,000.16

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Solution

The fourth proportional to 214,259.76, 321,411.53 and 74,000.16 is: 111,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,259.76 : 321,411.53 = 74,000.16 : x
  2. Step 2: Convert to fraction form
    214,259.76/321,411.53 = 74,000.16/x
  3. Step 3: Cross multiply
    214,259.76x = 321,411.53 × 74,000.16
  4. Step 4: Simplify right side
    214,259.76x = 23,784,504,275.84
  5. Step 5: Solve for x
    x = 23,784,504,275.84/214,259.76
  6. Step 6: Final answer
    x = 111,007.80

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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.