Home / 102,684.06-141,690.02-57,356.28

Finding the Fourth Proportional to 102,684.06, 141,690.02 and 57,356.28

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Solution

The fourth proportional to 102,684.06, 141,690.02 and 57,356.28 is: 79,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,684.06 : 141,690.02 = 57,356.28 : x
  2. Step 2: Convert to fraction form
    102,684.06/141,690.02 = 57,356.28/x
  3. Step 3: Cross multiply
    102,684.06x = 141,690.02 × 57,356.28
  4. Step 4: Simplify right side
    102,684.06x = 8,126,812,173.54
  5. Step 5: Solve for x
    x = 8,126,812,173.54/102,684.06
  6. Step 6: Final answer
    x = 79,143.85

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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.