Home / 233,019.99-321,579.21-131,077.54

Finding the Fourth Proportional to 233,019.99, 321,579.21 and 131,077.54

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Solution

The fourth proportional to 233,019.99, 321,579.21 and 131,077.54 is: 180,893.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,019.99 : 321,579.21 = 131,077.54 : x
  2. Step 2: Convert to fraction form
    233,019.99/321,579.21 = 131,077.54/x
  3. Step 3: Cross multiply
    233,019.99x = 321,579.21 × 131,077.54
  4. Step 4: Simplify right side
    233,019.99x = 42,151,812,655.46
  5. Step 5: Solve for x
    x = 42,151,812,655.46/233,019.99
  6. Step 6: Final answer
    x = 180,893.55

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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.