Home / 161,153.73-222,320.61-107,386.38

Finding the Fourth Proportional to 161,153.73, 222,320.61 and 107,386.38

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Solution

The fourth proportional to 161,153.73, 222,320.61 and 107,386.38 is: 148,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,153.73 : 222,320.61 = 107,386.38 : x
  2. Step 2: Convert to fraction form
    161,153.73/222,320.61 = 107,386.38/x
  3. Step 3: Cross multiply
    161,153.73x = 222,320.61 × 107,386.38
  4. Step 4: Simplify right side
    161,153.73x = 23,874,205,507.29
  5. Step 5: Solve for x
    x = 23,874,205,507.29/161,153.73
  6. Step 6: Final answer
    x = 148,145.53

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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.