Home / 131,524.60-181,500.26-74,163.40

Finding the Fourth Proportional to 131,524.60, 181,500.26 and 74,163.40

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Solution

The fourth proportional to 131,524.60, 181,500.26 and 74,163.40 is: 102,343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,524.60 : 181,500.26 = 74,163.40 : x
  2. Step 2: Convert to fraction form
    131,524.60/181,500.26 = 74,163.40/x
  3. Step 3: Cross multiply
    131,524.60x = 181,500.26 × 74,163.40
  4. Step 4: Simplify right side
    131,524.60x = 13,460,676,382.48
  5. Step 5: Solve for x
    x = 13,460,676,382.48/131,524.60
  6. Step 6: Final answer
    x = 102,343.41

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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.