Home / 214,145.92-321,513.12-109,035.52

Finding the Fourth Proportional to 214,145.92, 321,513.12 and 109,035.52

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Solution

The fourth proportional to 214,145.92, 321,513.12 and 109,035.52 is: 163,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,145.92 : 321,513.12 = 109,035.52 : x
  2. Step 2: Convert to fraction form
    214,145.92/321,513.12 = 109,035.52/x
  3. Step 3: Cross multiply
    214,145.92x = 321,513.12 × 109,035.52
  4. Step 4: Simplify right side
    214,145.92x = 35,056,350,226.02
  5. Step 5: Solve for x
    x = 35,056,350,226.02/214,145.92
  6. Step 6: Final answer
    x = 163,703.10

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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.