Home / 157,244.08-216,939.85-89,221.66

Finding the Fourth Proportional to 157,244.08, 216,939.85 and 89,221.66

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Solution

The fourth proportional to 157,244.08, 216,939.85 and 89,221.66 is: 123,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,244.08 : 216,939.85 = 89,221.66 : x
  2. Step 2: Convert to fraction form
    157,244.08/216,939.85 = 89,221.66/x
  3. Step 3: Cross multiply
    157,244.08x = 216,939.85 × 89,221.66
  4. Step 4: Simplify right side
    157,244.08x = 19,355,733,537.15
  5. Step 5: Solve for x
    x = 19,355,733,537.15/157,244.08
  6. Step 6: Final answer
    x = 123,093.56

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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.