Home / 102,387.26-141,295.83-57,063.98

Finding the Fourth Proportional to 102,387.26, 141,295.83 and 57,063.98

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Solution

The fourth proportional to 102,387.26, 141,295.83 and 57,063.98 is: 78,749.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,387.26 : 141,295.83 = 57,063.98 : x
  2. Step 2: Convert to fraction form
    102,387.26/141,295.83 = 57,063.98/x
  3. Step 3: Cross multiply
    102,387.26x = 141,295.83 × 57,063.98
  4. Step 4: Simplify right side
    102,387.26x = 8,062,902,417.20
  5. Step 5: Solve for x
    x = 8,062,902,417.20/102,387.26
  6. Step 6: Final answer
    x = 78,749.08

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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.