Home / 161,152.26-222,318.57-107,384.82

Finding the Fourth Proportional to 161,152.26, 222,318.57 and 107,384.82

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Solution

The fourth proportional to 161,152.26, 222,318.57 and 107,384.82 is: 148,143.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,152.26 : 222,318.57 = 107,384.82 : x
  2. Step 2: Convert to fraction form
    161,152.26/222,318.57 = 107,384.82/x
  3. Step 3: Cross multiply
    161,152.26x = 222,318.57 × 107,384.82
  4. Step 4: Simplify right side
    161,152.26x = 23,873,639,622.11
  5. Step 5: Solve for x
    x = 23,873,639,622.11/161,152.26
  6. Step 6: Final answer
    x = 148,143.37

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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.