Home / 131,351.85-181,252.45-73,989.57

Finding the Fourth Proportional to 131,351.85, 181,252.45 and 73,989.57

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Solution

The fourth proportional to 131,351.85, 181,252.45 and 73,989.57 is: 102,098.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,351.85 : 181,252.45 = 73,989.57 : x
  2. Step 2: Convert to fraction form
    131,351.85/181,252.45 = 73,989.57/x
  3. Step 3: Cross multiply
    131,351.85x = 181,252.45 × 73,989.57
  4. Step 4: Simplify right side
    131,351.85x = 13,410,791,609.13
  5. Step 5: Solve for x
    x = 13,410,791,609.13/131,351.85
  6. Step 6: Final answer
    x = 102,098.23

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1.5x scale

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.