Home / 251,621.92-377,457.18-91,740.88

Finding the Fourth Proportional to 251,621.92, 377,457.18 and 91,740.88

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Solution

The fourth proportional to 251,621.92, 377,457.18 and 91,740.88 is: 137,620.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,621.92 : 377,457.18 = 91,740.88 : x
  2. Step 2: Convert to fraction form
    251,621.92/377,457.18 = 91,740.88/x
  3. Step 3: Cross multiply
    251,621.92x = 377,457.18 × 91,740.88
  4. Step 4: Simplify right side
    251,621.92x = 34,628,253,855.52
  5. Step 5: Solve for x
    x = 34,628,253,855.52/251,621.92
  6. Step 6: Final answer
    x = 137,620.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.