Home / 131,131.01-180,960.51-73,770.37

Finding the Fourth Proportional to 131,131.01, 180,960.51 and 73,770.37

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Solution

The fourth proportional to 131,131.01, 180,960.51 and 73,770.37 is: 101,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,131.01 : 180,960.51 = 73,770.37 : x
  2. Step 2: Convert to fraction form
    131,131.01/180,960.51 = 73,770.37/x
  3. Step 3: Cross multiply
    131,131.01x = 180,960.51 × 73,770.37
  4. Step 4: Simplify right side
    131,131.01x = 13,349,523,778.09
  5. Step 5: Solve for x
    x = 13,349,523,778.09/131,131.01
  6. Step 6: Final answer
    x = 101,802.95

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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.