Home / 157,318.07-217,093.52-89,333.81

Finding the Fourth Proportional to 157,318.07, 217,093.52 and 89,333.81

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Solution

The fourth proportional to 157,318.07, 217,093.52 and 89,333.81 is: 123,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,318.07 : 217,093.52 = 89,333.81 : x
  2. Step 2: Convert to fraction form
    157,318.07/217,093.52 = 89,333.81/x
  3. Step 3: Cross multiply
    157,318.07x = 217,093.52 × 89,333.81
  4. Step 4: Simplify right side
    157,318.07x = 19,393,789,735.77
  5. Step 5: Solve for x
    x = 19,393,789,735.77/157,318.07
  6. Step 6: Final answer
    x = 123,277.58

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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.