Home / 214,072.65-321,108.98-125,280.45

Finding the Fourth Proportional to 214,072.65, 321,108.98 and 125,280.45

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Solution

The fourth proportional to 214,072.65, 321,108.98 and 125,280.45 is: 187,920.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,072.65 : 321,108.98 = 125,280.45 : x
  2. Step 2: Convert to fraction form
    214,072.65/321,108.98 = 125,280.45/x
  3. Step 3: Cross multiply
    214,072.65x = 321,108.98 × 125,280.45
  4. Step 4: Simplify right side
    214,072.65x = 40,228,676,887.04
  5. Step 5: Solve for x
    x = 40,228,676,887.04/214,072.65
  6. Step 6: Final answer
    x = 187,920.68

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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.