Home / 152,083.29-209,876.31-84,104.85

Finding the Fourth Proportional to 152,083.29, 209,876.31 and 84,104.85

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Solution

The fourth proportional to 152,083.29, 209,876.31 and 84,104.85 is: 116,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,083.29 : 209,876.31 = 84,104.85 : x
  2. Step 2: Convert to fraction form
    152,083.29/209,876.31 = 84,104.85/x
  3. Step 3: Cross multiply
    152,083.29x = 209,876.31 × 84,104.85
  4. Step 4: Simplify right side
    152,083.29x = 17,651,615,571.10
  5. Step 5: Solve for x
    x = 17,651,615,571.10/152,083.29
  6. Step 6: Final answer
    x = 116,065.45

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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.