Home / 263,580.25-363,740.94-142,721.62

Finding the Fourth Proportional to 263,580.25, 363,740.94 and 142,721.62

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Solution

The fourth proportional to 263,580.25, 363,740.94 and 142,721.62 is: 196,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,580.25 : 363,740.94 = 142,721.62 : x
  2. Step 2: Convert to fraction form
    263,580.25/363,740.94 = 142,721.62/x
  3. Step 3: Cross multiply
    263,580.25x = 363,740.94 × 142,721.62
  4. Step 4: Simplify right side
    263,580.25x = 51,913,696,217.12
  5. Step 5: Solve for x
    x = 51,913,696,217.12/263,580.25
  6. Step 6: Final answer
    x = 196,955.94

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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.