Home / 160,849.98-221,973.57-89,229.78

Finding the Fourth Proportional to 160,849.98, 221,973.57 and 89,229.78

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Solution

The fourth proportional to 160,849.98, 221,973.57 and 89,229.78 is: 123,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,849.98 : 221,973.57 = 89,229.78 : x
  2. Step 2: Convert to fraction form
    160,849.98/221,973.57 = 89,229.78/x
  3. Step 3: Cross multiply
    160,849.98x = 221,973.57 × 89,229.78
  4. Step 4: Simplify right side
    160,849.98x = 19,806,652,816.91
  5. Step 5: Solve for x
    x = 19,806,652,816.91/160,849.98
  6. Step 6: Final answer
    x = 123,137.43

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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.