Home / 131,392.07-181,321.23-74,803.44

Finding the Fourth Proportional to 131,392.07, 181,321.23 and 74,803.44

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Solution

The fourth proportional to 131,392.07, 181,321.23 and 74,803.44 is: 103,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,392.07 : 181,321.23 = 74,803.44 : x
  2. Step 2: Convert to fraction form
    131,392.07/181,321.23 = 74,803.44/x
  3. Step 3: Cross multiply
    131,392.07x = 181,321.23 × 74,803.44
  4. Step 4: Simplify right side
    131,392.07x = 13,563,451,375.01
  5. Step 5: Solve for x
    x = 13,563,451,375.01/131,392.07
  6. Step 6: Final answer
    x = 103,228.85

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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.