Home / 113,429.87-170,250.05-57,309.39

Finding the Fourth Proportional to 113,429.87, 170,250.05 and 57,309.39

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Solution

The fourth proportional to 113,429.87, 170,250.05 and 57,309.39 is: 86,017.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,429.87 : 170,250.05 = 57,309.39 : x
  2. Step 2: Convert to fraction form
    113,429.87/170,250.05 = 57,309.39/x
  3. Step 3: Cross multiply
    113,429.87x = 170,250.05 × 57,309.39
  4. Step 4: Simplify right side
    113,429.87x = 9,756,926,512.97
  5. Step 5: Solve for x
    x = 9,756,926,512.97/113,429.87
  6. Step 6: Final answer
    x = 86,017.26

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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.