Home / 102,356.49-141,262.37-57,041.85

Finding the Fourth Proportional to 102,356.49, 141,262.37 and 57,041.85

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Solution

The fourth proportional to 102,356.49, 141,262.37 and 57,041.85 is: 78,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,356.49 : 141,262.37 = 57,041.85 : x
  2. Step 2: Convert to fraction form
    102,356.49/141,262.37 = 57,041.85/x
  3. Step 3: Cross multiply
    102,356.49x = 141,262.37 × 57,041.85
  4. Step 4: Simplify right side
    102,356.49x = 8,057,866,634.98
  5. Step 5: Solve for x
    x = 8,057,866,634.98/102,356.49
  6. Step 6: Final answer
    x = 78,723.55

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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.