Home / 233,242.16-321,860.85-131,271.86

Finding the Fourth Proportional to 233,242.16, 321,860.85 and 131,271.86

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Solution

The fourth proportional to 233,242.16, 321,860.85 and 131,271.86 is: 181,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,242.16 : 321,860.85 = 131,271.86 : x
  2. Step 2: Convert to fraction form
    233,242.16/321,860.85 = 131,271.86/x
  3. Step 3: Cross multiply
    233,242.16x = 321,860.85 × 131,271.86
  4. Step 4: Simplify right side
    233,242.16x = 42,251,272,440.68
  5. Step 5: Solve for x
    x = 42,251,272,440.68/233,242.16
  6. Step 6: Final answer
    x = 181,147.67

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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.