Home / 131,772.54-181,846.23-71,343.24

Finding the Fourth Proportional to 131,772.54, 181,846.23 and 71,343.24

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Solution

The fourth proportional to 131,772.54, 181,846.23 and 71,343.24 is: 98,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,772.54 : 181,846.23 = 71,343.24 : x
  2. Step 2: Convert to fraction form
    131,772.54/181,846.23 = 71,343.24/x
  3. Step 3: Cross multiply
    131,772.54x = 181,846.23 × 71,343.24
  4. Step 4: Simplify right side
    131,772.54x = 12,973,499,229.99
  5. Step 5: Solve for x
    x = 12,973,499,229.99/131,772.54
  6. Step 6: Final answer
    x = 98,453.74

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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.