Home / 131,360.03-181,286.10-73,220.46

Finding the Fourth Proportional to 131,360.03, 181,286.10 and 73,220.46

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Solution

The fourth proportional to 131,360.03, 181,286.10 and 73,220.46 is: 101,049.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,360.03 : 181,286.10 = 73,220.46 : x
  2. Step 2: Convert to fraction form
    131,360.03/181,286.10 = 73,220.46/x
  3. Step 3: Cross multiply
    131,360.03x = 181,286.10 × 73,220.46
  4. Step 4: Simplify right side
    131,360.03x = 13,273,850,953.78
  5. Step 5: Solve for x
    x = 13,273,850,953.78/131,360.03
  6. Step 6: Final answer
    x = 101,049.39

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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.