Home / 160,970.49-222,149.37-89,351.72

Finding the Fourth Proportional to 160,970.49, 222,149.37 and 89,351.72

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Solution

The fourth proportional to 160,970.49, 222,149.37 and 89,351.72 is: 123,310.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,970.49 : 222,149.37 = 89,351.72 : x
  2. Step 2: Convert to fraction form
    160,970.49/222,149.37 = 89,351.72/x
  3. Step 3: Cross multiply
    160,970.49x = 222,149.37 × 89,351.72
  4. Step 4: Simplify right side
    160,970.49x = 19,849,427,195.67
  5. Step 5: Solve for x
    x = 19,849,427,195.67/160,970.49
  6. Step 6: Final answer
    x = 123,310.97

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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.