Home / 160,436.76-221,409.36-88,815.48

Finding the Fourth Proportional to 160,436.76, 221,409.36 and 88,815.48

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Solution

The fourth proportional to 160,436.76, 221,409.36 and 88,815.48 is: 122,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,436.76 : 221,409.36 = 88,815.48 : x
  2. Step 2: Convert to fraction form
    160,436.76/221,409.36 = 88,815.48/x
  3. Step 3: Cross multiply
    160,436.76x = 221,409.36 × 88,815.48
  4. Step 4: Simplify right side
    160,436.76x = 19,664,578,584.89
  5. Step 5: Solve for x
    x = 19,664,578,584.89/160,436.76
  6. Step 6: Final answer
    x = 122,569.03

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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.