Home / 159,551.31-220,170.92-87,927.33

Finding the Fourth Proportional to 159,551.31, 220,170.92 and 87,927.33

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Solution

The fourth proportional to 159,551.31, 220,170.92 and 87,927.33 is: 121,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,551.31 : 220,170.92 = 87,927.33 : x
  2. Step 2: Convert to fraction form
    159,551.31/220,170.92 = 87,927.33/x
  3. Step 3: Cross multiply
    159,551.31x = 220,170.92 × 87,927.33
  4. Step 4: Simplify right side
    159,551.31x = 19,359,040,699.61
  5. Step 5: Solve for x
    x = 19,359,040,699.61/159,551.31
  6. Step 6: Final answer
    x = 121,334.26

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1.5x scale

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.