Home / 103,273.05-142,515.48-57,951.93

Finding the Fourth Proportional to 103,273.05, 142,515.48 and 57,951.93

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Solution

The fourth proportional to 103,273.05, 142,515.48 and 57,951.93 is: 79,972.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,273.05 : 142,515.48 = 57,951.93 : x
  2. Step 2: Convert to fraction form
    103,273.05/142,515.48 = 57,951.93/x
  3. Step 3: Cross multiply
    103,273.05x = 142,515.48 × 57,951.93
  4. Step 4: Simplify right side
    103,273.05x = 8,259,047,120.88
  5. Step 5: Solve for x
    x = 8,259,047,120.88/103,273.05
  6. Step 6: Final answer
    x = 79,972.92

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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.