Home / 233,120.41-321,703.09-131,145.55

Finding the Fourth Proportional to 233,120.41, 321,703.09 and 131,145.55

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Solution

The fourth proportional to 233,120.41, 321,703.09 and 131,145.55 is: 180,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,120.41 : 321,703.09 = 131,145.55 : x
  2. Step 2: Convert to fraction form
    233,120.41/321,703.09 = 131,145.55/x
  3. Step 3: Cross multiply
    233,120.41x = 321,703.09 × 131,145.55
  4. Step 4: Simplify right side
    233,120.41x = 42,189,928,674.75
  5. Step 5: Solve for x
    x = 42,189,928,674.75/233,120.41
  6. Step 6: Final answer
    x = 180,979.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.