Home / 110,981.68-166,497.18-51,785.06

Finding the Fourth Proportional to 110,981.68, 166,497.18 and 51,785.06

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Solution

The fourth proportional to 110,981.68, 166,497.18 and 51,785.06 is: 77,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,981.68 : 166,497.18 = 51,785.06 : x
  2. Step 2: Convert to fraction form
    110,981.68/166,497.18 = 51,785.06/x
  3. Step 3: Cross multiply
    110,981.68x = 166,497.18 × 51,785.06
  4. Step 4: Simplify right side
    110,981.68x = 8,622,066,495.97
  5. Step 5: Solve for x
    x = 8,622,066,495.97/110,981.68
  6. Step 6: Final answer
    x = 77,689.10

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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.