Home / 159,904.90-220,669.32-88,285.42

Finding the Fourth Proportional to 159,904.90, 220,669.32 and 88,285.42

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Solution

The fourth proportional to 159,904.90, 220,669.32 and 88,285.42 is: 121,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,904.90 : 220,669.32 = 88,285.42 : x
  2. Step 2: Convert to fraction form
    159,904.90/220,669.32 = 88,285.42/x
  3. Step 3: Cross multiply
    159,904.90x = 220,669.32 × 88,285.42
  4. Step 4: Simplify right side
    159,904.90x = 19,481,883,597.31
  5. Step 5: Solve for x
    x = 19,481,883,597.31/159,904.90
  6. Step 6: Final answer
    x = 121,834.19

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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.