Home / 140,983.02-194,538.58-80,557.58

Finding the Fourth Proportional to 140,983.02, 194,538.58 and 80,557.58

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Solution

The fourth proportional to 140,983.02, 194,538.58 and 80,557.58 is: 111,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,983.02 : 194,538.58 = 80,557.58 : x
  2. Step 2: Convert to fraction form
    140,983.02/194,538.58 = 80,557.58/x
  3. Step 3: Cross multiply
    140,983.02x = 194,538.58 × 80,557.58
  4. Step 4: Simplify right side
    140,983.02x = 15,671,557,221.44
  5. Step 5: Solve for x
    x = 15,671,557,221.44/140,983.02
  6. Step 6: Final answer
    x = 111,159.18

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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.