Home / 104,228.01-143,781.83-65,923.05

Finding the Fourth Proportional to 104,228.01, 143,781.83 and 65,923.05

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Solution

The fourth proportional to 104,228.01, 143,781.83 and 65,923.05 is: 90,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,228.01 : 143,781.83 = 65,923.05 : x
  2. Step 2: Convert to fraction form
    104,228.01/143,781.83 = 65,923.05/x
  3. Step 3: Cross multiply
    104,228.01x = 143,781.83 × 65,923.05
  4. Step 4: Simplify right side
    104,228.01x = 9,478,536,438.57
  5. Step 5: Solve for x
    x = 9,478,536,438.57/104,228.01
  6. Step 6: Final answer
    x = 90,940.40

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1.5x scale

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.