Home / 180,214.27-270,432.57-91,531.42

Finding the Fourth Proportional to 180,214.27, 270,432.57 and 91,531.42

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Solution

The fourth proportional to 180,214.27, 270,432.57 and 91,531.42 is: 137,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,214.27 : 270,432.57 = 91,531.42 : x
  2. Step 2: Convert to fraction form
    180,214.27/270,432.57 = 91,531.42/x
  3. Step 3: Cross multiply
    180,214.27x = 270,432.57 × 91,531.42
  4. Step 4: Simplify right side
    180,214.27x = 24,753,076,813.51
  5. Step 5: Solve for x
    x = 24,753,076,813.51/180,214.27
  6. Step 6: Final answer
    x = 137,353.59

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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.