Home / 157,530.74-217,383.76-89,538.26

Finding the Fourth Proportional to 157,530.74, 217,383.76 and 89,538.26

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Solution

The fourth proportional to 157,530.74, 217,383.76 and 89,538.26 is: 123,557.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,530.74 : 217,383.76 = 89,538.26 : x
  2. Step 2: Convert to fraction form
    157,530.74/217,383.76 = 89,538.26/x
  3. Step 3: Cross multiply
    157,530.74x = 217,383.76 × 89,538.26
  4. Step 4: Simplify right side
    157,530.74x = 19,464,162,855.35
  5. Step 5: Solve for x
    x = 19,464,162,855.35/157,530.74
  6. Step 6: Final answer
    x = 123,557.87

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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.