Home / 233,102.54-321,709.96-131,132.30

Finding the Fourth Proportional to 233,102.54, 321,709.96 and 131,132.30

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Solution

The fourth proportional to 233,102.54, 321,709.96 and 131,132.30 is: 180,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,102.54 : 321,709.96 = 131,132.30 : x
  2. Step 2: Convert to fraction form
    233,102.54/321,709.96 = 131,132.30/x
  3. Step 3: Cross multiply
    233,102.54x = 321,709.96 × 131,132.30
  4. Step 4: Simplify right side
    233,102.54x = 42,186,566,987.71
  5. Step 5: Solve for x
    x = 42,186,566,987.71/233,102.54
  6. Step 6: Final answer
    x = 180,978.58

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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.