Home / 113,422.86-170,239.42-57,302.46

Finding the Fourth Proportional to 113,422.86, 170,239.42 and 57,302.46

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Solution

The fourth proportional to 113,422.86, 170,239.42 and 57,302.46 is: 86,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,422.86 : 170,239.42 = 57,302.46 : x
  2. Step 2: Convert to fraction form
    113,422.86/170,239.42 = 57,302.46/x
  3. Step 3: Cross multiply
    113,422.86x = 170,239.42 × 57,302.46
  4. Step 4: Simplify right side
    113,422.86x = 9,755,137,554.97
  5. Step 5: Solve for x
    x = 9,755,137,554.97/113,422.86
  6. Step 6: Final answer
    x = 86,006.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.