Home / 160,946.79-222,120.54-89,340.63

Finding the Fourth Proportional to 160,946.79, 222,120.54 and 89,340.63

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Solution

The fourth proportional to 160,946.79, 222,120.54 and 89,340.63 is: 123,297.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,946.79 : 222,120.54 = 89,340.63 : x
  2. Step 2: Convert to fraction form
    160,946.79/222,120.54 = 89,340.63/x
  3. Step 3: Cross multiply
    160,946.79x = 222,120.54 × 89,340.63
  4. Step 4: Simplify right side
    160,946.79x = 19,844,388,979.54
  5. Step 5: Solve for x
    x = 19,844,388,979.54/160,946.79
  6. Step 6: Final answer
    x = 123,297.82

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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.