Home / 233,128.02-321,716.12-131,153.52

Finding the Fourth Proportional to 233,128.02, 321,716.12 and 131,153.52

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Solution

The fourth proportional to 233,128.02, 321,716.12 and 131,153.52 is: 180,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,128.02 : 321,716.12 = 131,153.52 : x
  2. Step 2: Convert to fraction form
    233,128.02/321,716.12 = 131,153.52/x
  3. Step 3: Cross multiply
    233,128.02x = 321,716.12 × 131,153.52
  4. Step 4: Simplify right side
    233,128.02x = 42,194,201,578.74
  5. Step 5: Solve for x
    x = 42,194,201,578.74/233,128.02
  6. Step 6: Final answer
    x = 180,991.55

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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.