Home / 250,021.35-344,943.68-142,513.83

Finding the Fourth Proportional to 250,021.35, 344,943.68 and 142,513.83

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Solution

The fourth proportional to 250,021.35, 344,943.68 and 142,513.83 is: 196,620.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,021.35 : 344,943.68 = 142,513.83 : x
  2. Step 2: Convert to fraction form
    250,021.35/344,943.68 = 142,513.83/x
  3. Step 3: Cross multiply
    250,021.35x = 344,943.68 × 142,513.83
  4. Step 4: Simplify right side
    250,021.35x = 49,159,244,258.53
  5. Step 5: Solve for x
    x = 49,159,244,258.53/250,021.35
  6. Step 6: Final answer
    x = 196,620.19

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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.