Home / 233,117.71-321,701.96-131,143.23

Finding the Fourth Proportional to 233,117.71, 321,701.96 and 131,143.23

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Solution

The fourth proportional to 233,117.71, 321,701.96 and 131,143.23 is: 180,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,117.71 : 321,701.96 = 131,143.23 : x
  2. Step 2: Convert to fraction form
    233,117.71/321,701.96 = 131,143.23/x
  3. Step 3: Cross multiply
    233,117.71x = 321,701.96 × 131,143.23
  4. Step 4: Simplify right side
    233,117.71x = 42,189,034,459.59
  5. Step 5: Solve for x
    x = 42,189,034,459.59/233,117.71
  6. Step 6: Final answer
    x = 180,977.39

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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.