Home / 160,878.28-222,012.05-89,258.13

Finding the Fourth Proportional to 160,878.28, 222,012.05 and 89,258.13

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Solution

The fourth proportional to 160,878.28, 222,012.05 and 89,258.13 is: 123,176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,878.28 : 222,012.05 = 89,258.13 : x
  2. Step 2: Convert to fraction form
    160,878.28/222,012.05 = 89,258.13/x
  3. Step 3: Cross multiply
    160,878.28x = 222,012.05 × 89,258.13
  4. Step 4: Simplify right side
    160,878.28x = 19,816,380,420.47
  5. Step 5: Solve for x
    x = 19,816,380,420.47/160,878.28
  6. Step 6: Final answer
    x = 123,176.23

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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.