Home / 202,008.13-278,773.14-111,367.41

Finding the Fourth Proportional to 202,008.13, 278,773.14 and 111,367.41

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Solution

The fourth proportional to 202,008.13, 278,773.14 and 111,367.41 is: 153,688.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,008.13 : 278,773.14 = 111,367.41 : x
  2. Step 2: Convert to fraction form
    202,008.13/278,773.14 = 111,367.41/x
  3. Step 3: Cross multiply
    202,008.13x = 278,773.14 × 111,367.41
  4. Step 4: Simplify right side
    202,008.13x = 31,046,241,951.60
  5. Step 5: Solve for x
    x = 31,046,241,951.60/202,008.13
  6. Step 6: Final answer
    x = 153,688.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.