Home / 110,660.10-165,967.38-31,756.74

Finding the Fourth Proportional to 110,660.10, 165,967.38 and 31,756.74

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Solution

The fourth proportional to 110,660.10, 165,967.38 and 31,756.74 is: 47,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,660.10 : 165,967.38 = 31,756.74 : x
  2. Step 2: Convert to fraction form
    110,660.10/165,967.38 = 31,756.74/x
  3. Step 3: Cross multiply
    110,660.10x = 165,967.38 × 31,756.74
  4. Step 4: Simplify right side
    110,660.10x = 5,270,582,935.14
  5. Step 5: Solve for x
    x = 5,270,582,935.14/110,660.10
  6. Step 6: Final answer
    x = 47,628.58

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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.