Home / 157,715.80-236,664.42-87,589.24

Finding the Fourth Proportional to 157,715.80, 236,664.42 and 87,589.24

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Solution

The fourth proportional to 157,715.80, 236,664.42 and 87,589.24 is: 131,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,715.80 : 236,664.42 = 87,589.24 : x
  2. Step 2: Convert to fraction form
    157,715.80/236,664.42 = 87,589.24/x
  3. Step 3: Cross multiply
    157,715.80x = 236,664.42 × 87,589.24
  4. Step 4: Simplify right side
    157,715.80x = 20,729,256,682.84
  5. Step 5: Solve for x
    x = 20,729,256,682.84/157,715.80
  6. Step 6: Final answer
    x = 131,434.24

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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.