Home / 161,383.29-222,755.83-107,668.17

Finding the Fourth Proportional to 161,383.29, 222,755.83 and 107,668.17

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Solution

The fourth proportional to 161,383.29, 222,755.83 and 107,668.17 is: 148,613.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,383.29 : 222,755.83 = 107,668.17 : x
  2. Step 2: Convert to fraction form
    161,383.29/222,755.83 = 107,668.17/x
  3. Step 3: Cross multiply
    161,383.29x = 222,755.83 × 107,668.17
  4. Step 4: Simplify right side
    161,383.29x = 23,983,712,303.76
  5. Step 5: Solve for x
    x = 23,983,712,303.76/161,383.29
  6. Step 6: Final answer
    x = 148,613.36

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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.