Home / 263,771.38-364,001.61-142,905.45

Finding the Fourth Proportional to 263,771.38, 364,001.61 and 142,905.45

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Solution

The fourth proportional to 263,771.38, 364,001.61 and 142,905.45 is: 197,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,771.38 : 364,001.61 = 142,905.45 : x
  2. Step 2: Convert to fraction form
    263,771.38/364,001.61 = 142,905.45/x
  3. Step 3: Cross multiply
    263,771.38x = 364,001.61 × 142,905.45
  4. Step 4: Simplify right side
    263,771.38x = 52,017,813,877.77
  5. Step 5: Solve for x
    x = 52,017,813,877.77/263,771.38
  6. Step 6: Final answer
    x = 197,207.95

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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.