Home / 161,159.73-222,328.89-107,392.38

Finding the Fourth Proportional to 161,159.73, 222,328.89 and 107,392.38

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Solution

The fourth proportional to 161,159.73, 222,328.89 and 107,392.38 is: 148,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,159.73 : 222,328.89 = 107,392.38 : x
  2. Step 2: Convert to fraction form
    161,159.73/222,328.89 = 107,392.38/x
  3. Step 3: Cross multiply
    161,159.73x = 222,328.89 × 107,392.38
  4. Step 4: Simplify right side
    161,159.73x = 23,876,428,639.86
  5. Step 5: Solve for x
    x = 23,876,428,639.86/161,159.73
  6. Step 6: Final answer
    x = 148,153.81

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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.