Home / 233,215.20-321,829.20-131,242.68

Finding the Fourth Proportional to 233,215.20, 321,829.20 and 131,242.68

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Solution

The fourth proportional to 233,215.20, 321,829.20 and 131,242.68 is: 181,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,215.20 : 321,829.20 = 131,242.68 : x
  2. Step 2: Convert to fraction form
    233,215.20/321,829.20 = 131,242.68/x
  3. Step 3: Cross multiply
    233,215.20x = 321,829.20 × 131,242.68
  4. Step 4: Simplify right side
    233,215.20x = 42,237,726,710.26
  5. Step 5: Solve for x
    x = 42,237,726,710.26/233,215.20
  6. Step 6: Final answer
    x = 181,110.52

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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.