Home / 157,944.21-217,959.62-89,033.19

Finding the Fourth Proportional to 157,944.21, 217,959.62 and 89,033.19

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Solution

The fourth proportional to 157,944.21, 217,959.62 and 89,033.19 is: 122,863.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,944.21 : 217,959.62 = 89,033.19 : x
  2. Step 2: Convert to fraction form
    157,944.21/217,959.62 = 89,033.19/x
  3. Step 3: Cross multiply
    157,944.21x = 217,959.62 × 89,033.19
  4. Step 4: Simplify right side
    157,944.21x = 19,405,639,814.62
  5. Step 5: Solve for x
    x = 19,405,639,814.62/157,944.21
  6. Step 6: Final answer
    x = 122,863.89

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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.