Home / 170,854.26-235,858.41-99,220.47

Finding the Fourth Proportional to 170,854.26, 235,858.41 and 99,220.47

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Solution

The fourth proportional to 170,854.26, 235,858.41 and 99,220.47 is: 136,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,854.26 : 235,858.41 = 99,220.47 : x
  2. Step 2: Convert to fraction form
    170,854.26/235,858.41 = 99,220.47/x
  3. Step 3: Cross multiply
    170,854.26x = 235,858.41 × 99,220.47
  4. Step 4: Simplify right side
    170,854.26x = 23,401,982,293.65
  5. Step 5: Solve for x
    x = 23,401,982,293.65/170,854.26
  6. Step 6: Final answer
    x = 136,970.43

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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.