Home / 160,801.45-221,900.38-89,188.13

Finding the Fourth Proportional to 160,801.45, 221,900.38 and 89,188.13

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Solution

The fourth proportional to 160,801.45, 221,900.38 and 89,188.13 is: 123,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,801.45 : 221,900.38 = 89,188.13 : x
  2. Step 2: Convert to fraction form
    160,801.45/221,900.38 = 89,188.13/x
  3. Step 3: Cross multiply
    160,801.45x = 221,900.38 × 89,188.13
  4. Step 4: Simplify right side
    160,801.45x = 19,790,880,270.27
  5. Step 5: Solve for x
    x = 19,790,880,270.27/160,801.45
  6. Step 6: Final answer
    x = 123,076.51

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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.