Home / 151,569.80-209,166.22-87,043.26

Finding the Fourth Proportional to 151,569.80, 209,166.22 and 87,043.26

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Solution

The fourth proportional to 151,569.80, 209,166.22 and 87,043.26 is: 120,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,569.80 : 209,166.22 = 87,043.26 : x
  2. Step 2: Convert to fraction form
    151,569.80/209,166.22 = 87,043.26/x
  3. Step 3: Cross multiply
    151,569.80x = 209,166.22 × 87,043.26
  4. Step 4: Simplify right side
    151,569.80x = 18,206,509,670.68
  5. Step 5: Solve for x
    x = 18,206,509,670.68/151,569.80
  6. Step 6: Final answer
    x = 120,119.64

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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.