Home / 157,436.08-236,086.65-73,187.45

Finding the Fourth Proportional to 157,436.08, 236,086.65 and 73,187.45

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Solution

The fourth proportional to 157,436.08, 236,086.65 and 73,187.45 is: 109,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,436.08 : 236,086.65 = 73,187.45 : x
  2. Step 2: Convert to fraction form
    157,436.08/236,086.65 = 73,187.45/x
  3. Step 3: Cross multiply
    157,436.08x = 236,086.65 × 73,187.45
  4. Step 4: Simplify right side
    157,436.08x = 17,278,579,892.54
  5. Step 5: Solve for x
    x = 17,278,579,892.54/157,436.08
  6. Step 6: Final answer
    x = 109,749.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.