Home / 102,370.76-141,271.79-57,047.75

Finding the Fourth Proportional to 102,370.76, 141,271.79 and 57,047.75

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Solution

The fourth proportional to 102,370.76, 141,271.79 and 57,047.75 is: 78,725.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,370.76 : 141,271.79 = 57,047.75 : x
  2. Step 2: Convert to fraction form
    102,370.76/141,271.79 = 57,047.75/x
  3. Step 3: Cross multiply
    102,370.76x = 141,271.79 × 57,047.75
  4. Step 4: Simplify right side
    102,370.76x = 8,059,237,296.14
  5. Step 5: Solve for x
    x = 8,059,237,296.14/102,370.76
  6. Step 6: Final answer
    x = 78,725.97

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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.