Home / 160,973.78-222,144.68-100,579.46

Finding the Fourth Proportional to 160,973.78, 222,144.68 and 100,579.46

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Solution

The fourth proportional to 160,973.78, 222,144.68 and 100,579.46 is: 138,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,973.78 : 222,144.68 = 100,579.46 : x
  2. Step 2: Convert to fraction form
    160,973.78/222,144.68 = 100,579.46/x
  3. Step 3: Cross multiply
    160,973.78x = 222,144.68 × 100,579.46
  4. Step 4: Simplify right side
    160,973.78x = 22,343,192,763.08
  5. Step 5: Solve for x
    x = 22,343,192,763.08/160,973.78
  6. Step 6: Final answer
    x = 138,800.20

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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.