Home / 214,219.10-321,328.65-125,572.70

Finding the Fourth Proportional to 214,219.10, 321,328.65 and 125,572.70

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Solution

The fourth proportional to 214,219.10, 321,328.65 and 125,572.70 is: 188,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,219.10 : 321,328.65 = 125,572.70 : x
  2. Step 2: Convert to fraction form
    214,219.10/321,328.65 = 125,572.70/x
  3. Step 3: Cross multiply
    214,219.10x = 321,328.65 × 125,572.70
  4. Step 4: Simplify right side
    214,219.10x = 40,350,106,167.86
  5. Step 5: Solve for x
    x = 40,350,106,167.86/214,219.10
  6. Step 6: Final answer
    x = 188,359.05

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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.