Home / 161,066.52-222,383.01-100,664.32

Finding the Fourth Proportional to 161,066.52, 222,383.01 and 100,664.32

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Solution

The fourth proportional to 161,066.52, 222,383.01 and 100,664.32 is: 138,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,066.52 : 222,383.01 = 100,664.32 : x
  2. Step 2: Convert to fraction form
    161,066.52/222,383.01 = 100,664.32/x
  3. Step 3: Cross multiply
    161,066.52x = 222,383.01 × 100,664.32
  4. Step 4: Simplify right side
    161,066.52x = 22,386,033,925.25
  5. Step 5: Solve for x
    x = 22,386,033,925.25/161,066.52
  6. Step 6: Final answer
    x = 138,986.26

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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.