Home / 157,960.35-217,985.31-89,983.68

Finding the Fourth Proportional to 157,960.35, 217,985.31 and 89,983.68

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Solution

The fourth proportional to 157,960.35, 217,985.31 and 89,983.68 is: 124,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,960.35 : 217,985.31 = 89,983.68 : x
  2. Step 2: Convert to fraction form
    157,960.35/217,985.31 = 89,983.68/x
  3. Step 3: Cross multiply
    157,960.35x = 217,985.31 × 89,983.68
  4. Step 4: Simplify right side
    157,960.35x = 19,615,120,379.74
  5. Step 5: Solve for x
    x = 19,615,120,379.74/157,960.35
  6. Step 6: Final answer
    x = 124,177.49

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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.