Home / 232,890.75-321,386.37-130,933.22

Finding the Fourth Proportional to 232,890.75, 321,386.37 and 130,933.22

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Solution

The fourth proportional to 232,890.75, 321,386.37 and 130,933.22 is: 180,686.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,890.75 : 321,386.37 = 130,933.22 : x
  2. Step 2: Convert to fraction form
    232,890.75/321,386.37 = 130,933.22/x
  3. Step 3: Cross multiply
    232,890.75x = 321,386.37 × 130,933.22
  4. Step 4: Simplify right side
    232,890.75x = 42,080,150,681.28
  5. Step 5: Solve for x
    x = 42,080,150,681.28/232,890.75
  6. Step 6: Final answer
    x = 180,686.23

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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.