Home / 157,730.80-236,686.92-87,604.24

Finding the Fourth Proportional to 157,730.80, 236,686.92 and 87,604.24

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Solution

The fourth proportional to 157,730.80, 236,686.92 and 87,604.24 is: 131,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,730.80 : 236,686.92 = 87,604.24 : x
  2. Step 2: Convert to fraction form
    157,730.80/236,686.92 = 87,604.24/x
  3. Step 3: Cross multiply
    157,730.80x = 236,686.92 × 87,604.24
  4. Step 4: Simplify right side
    157,730.80x = 20,734,777,744.54
  5. Step 5: Solve for x
    x = 20,734,777,744.54/157,730.80
  6. Step 6: Final answer
    x = 131,456.75

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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.