Home / 140,907.02-194,459.50-80,497.27

Finding the Fourth Proportional to 140,907.02, 194,459.50 and 80,497.27

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Solution

The fourth proportional to 140,907.02, 194,459.50 and 80,497.27 is: 111,090.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,907.02 : 194,459.50 = 80,497.27 : x
  2. Step 2: Convert to fraction form
    140,907.02/194,459.50 = 80,497.27/x
  3. Step 3: Cross multiply
    140,907.02x = 194,459.50 × 80,497.27
  4. Step 4: Simplify right side
    140,907.02x = 15,653,459,219.26
  5. Step 5: Solve for x
    x = 15,653,459,219.26/140,907.02
  6. Step 6: Final answer
    x = 111,090.70

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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.