Home / 119,932.02-165,512.67-66,216.87

Finding the Fourth Proportional to 119,932.02, 165,512.67 and 66,216.87

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Solution

The fourth proportional to 119,932.02, 165,512.67 and 66,216.87 is: 91,382.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,932.02 : 165,512.67 = 66,216.87 : x
  2. Step 2: Convert to fraction form
    119,932.02/165,512.67 = 66,216.87/x
  3. Step 3: Cross multiply
    119,932.02x = 165,512.67 × 66,216.87
  4. Step 4: Simplify right side
    119,932.02x = 10,959,730,952.74
  5. Step 5: Solve for x
    x = 10,959,730,952.74/119,932.02
  6. Step 6: Final answer
    x = 91,382.86

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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.