Home / 140,114.14-210,223.79-83,994.23

Finding the Fourth Proportional to 140,114.14, 210,223.79 and 83,994.23

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Solution

The fourth proportional to 140,114.14, 210,223.79 and 83,994.23 is: 126,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,114.14 : 210,223.79 = 83,994.23 : x
  2. Step 2: Convert to fraction form
    140,114.14/210,223.79 = 83,994.23/x
  3. Step 3: Cross multiply
    140,114.14x = 210,223.79 × 83,994.23
  4. Step 4: Simplify right side
    140,114.14x = 17,657,585,789.30
  5. Step 5: Solve for x
    x = 17,657,585,789.30/140,114.14
  6. Step 6: Final answer
    x = 126,022.87

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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.