Home / 110,008.13-165,012.39-39,887.64

Finding the Fourth Proportional to 110,008.13, 165,012.39 and 39,887.64

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Solution

The fourth proportional to 110,008.13, 165,012.39 and 39,887.64 is: 59,831.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,008.13 : 165,012.39 = 39,887.64 : x
  2. Step 2: Convert to fraction form
    110,008.13/165,012.39 = 39,887.64/x
  3. Step 3: Cross multiply
    110,008.13x = 165,012.39 × 39,887.64
  4. Step 4: Simplify right side
    110,008.13x = 6,581,954,807.86
  5. Step 5: Solve for x
    x = 6,581,954,807.86/110,008.13
  6. Step 6: Final answer
    x = 59,831.53

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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.