Home / 102,394.55-141,299.82-57,077.48

Finding the Fourth Proportional to 102,394.55, 141,299.82 and 57,077.48

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Solution

The fourth proportional to 102,394.55, 141,299.82 and 57,077.48 is: 78,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,394.55 : 141,299.82 = 57,077.48 : x
  2. Step 2: Convert to fraction form
    102,394.55/141,299.82 = 57,077.48/x
  3. Step 3: Cross multiply
    102,394.55x = 141,299.82 × 57,077.48
  4. Step 4: Simplify right side
    102,394.55x = 8,065,036,943.55
  5. Step 5: Solve for x
    x = 8,065,036,943.55/102,394.55
  6. Step 6: Final answer
    x = 78,764.32

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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.