Home / 233,242.09-321,875.43-131,269.57

Finding the Fourth Proportional to 233,242.09, 321,875.43 and 131,269.57

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Solution

The fourth proportional to 233,242.09, 321,875.43 and 131,269.57 is: 181,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,242.09 : 321,875.43 = 131,269.57 : x
  2. Step 2: Convert to fraction form
    233,242.09/321,875.43 = 131,269.57/x
  3. Step 3: Cross multiply
    233,242.09x = 321,875.43 × 131,269.57
  4. Step 4: Simplify right side
    233,242.09x = 42,252,449,289.67
  5. Step 5: Solve for x
    x = 42,252,449,289.67/233,242.09
  6. Step 6: Final answer
    x = 181,152.76

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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.