Home / 110,457.47-165,686.15-31,571.73

Finding the Fourth Proportional to 110,457.47, 165,686.15 and 31,571.73

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Solution

The fourth proportional to 110,457.47, 165,686.15 and 31,571.73 is: 47,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,457.47 : 165,686.15 = 31,571.73 : x
  2. Step 2: Convert to fraction form
    110,457.47/165,686.15 = 31,571.73/x
  3. Step 3: Cross multiply
    110,457.47x = 165,686.15 × 31,571.73
  4. Step 4: Simplify right side
    110,457.47x = 5,230,998,471.47
  5. Step 5: Solve for x
    x = 5,230,998,471.47/110,457.47
  6. Step 6: Final answer
    x = 47,357.58

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1.5x scale

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.