Home / 233,019.72-321,534.30-131,031

Finding the Fourth Proportional to 233,019.72, 321,534.30 and 131,031

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Solution

The fourth proportional to 233,019.72, 321,534.30 and 131,031 is: 180,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,019.72 : 321,534.30 = 131,031 : x
  2. Step 2: Convert to fraction form
    233,019.72/321,534.30 = 131,031/x
  3. Step 3: Cross multiply
    233,019.72x = 321,534.30 × 131,031
  4. Step 4: Simplify right side
    233,019.72x = 42,130,960,863.30
  5. Step 5: Solve for x
    x = 42,130,960,863.30/233,019.72
  6. Step 6: Final answer
    x = 180,804.27

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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.