Home / 160,827.72-221,968.82-89,230.80

Finding the Fourth Proportional to 160,827.72, 221,968.82 and 89,230.80

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Solution

The fourth proportional to 160,827.72, 221,968.82 and 89,230.80 is: 123,153.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,827.72 : 221,968.82 = 89,230.80 : x
  2. Step 2: Convert to fraction form
    160,827.72/221,968.82 = 89,230.80/x
  3. Step 3: Cross multiply
    160,827.72x = 221,968.82 × 89,230.80
  4. Step 4: Simplify right side
    160,827.72x = 19,806,455,383.66
  5. Step 5: Solve for x
    x = 19,806,455,383.66/160,827.72
  6. Step 6: Final answer
    x = 123,153.24

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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.