Home / 161,330.32-241,837.52-90,287.65

Finding the Fourth Proportional to 161,330.32, 241,837.52 and 90,287.65

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Solution

The fourth proportional to 161,330.32, 241,837.52 and 90,287.65 is: 135,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,330.32 : 241,837.52 = 90,287.65 : x
  2. Step 2: Convert to fraction form
    161,330.32/241,837.52 = 90,287.65/x
  3. Step 3: Cross multiply
    161,330.32x = 241,837.52 × 90,287.65
  4. Step 4: Simplify right side
    161,330.32x = 21,834,940,153.44
  5. Step 5: Solve for x
    x = 21,834,940,153.44/161,330.32
  6. Step 6: Final answer
    x = 135,343.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.