Home / 107,823.53-161,713.02-28,919

Finding the Fourth Proportional to 107,823.53, 161,713.02 and 28,919

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Solution

The fourth proportional to 107,823.53, 161,713.02 and 28,919 is: 43,372.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,823.53 : 161,713.02 = 28,919 : x
  2. Step 2: Convert to fraction form
    107,823.53/161,713.02 = 28,919/x
  3. Step 3: Cross multiply
    107,823.53x = 161,713.02 × 28,919
  4. Step 4: Simplify right side
    107,823.53x = 4,676,578,825.38
  5. Step 5: Solve for x
    x = 4,676,578,825.38/107,823.53
  6. Step 6: Final answer
    x = 43,372.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.