Home / 209,739.14-314,484.28-83,311.42

Finding the Fourth Proportional to 209,739.14, 314,484.28 and 83,311.42

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Solution

The fourth proportional to 209,739.14, 314,484.28 and 83,311.42 is: 124,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,739.14 : 314,484.28 = 83,311.42 : x
  2. Step 2: Convert to fraction form
    209,739.14/314,484.28 = 83,311.42/x
  3. Step 3: Cross multiply
    209,739.14x = 314,484.28 × 83,311.42
  4. Step 4: Simplify right side
    209,739.14x = 26,200,131,934.48
  5. Step 5: Solve for x
    x = 26,200,131,934.48/209,739.14
  6. Step 6: Final answer
    x = 124,917.70

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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.