Home / 180,123.36-270,175.30-91,374.56

Finding the Fourth Proportional to 180,123.36, 270,175.30 and 91,374.56

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Solution

The fourth proportional to 180,123.36, 270,175.30 and 91,374.56 is: 137,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,123.36 : 270,175.30 = 91,374.56 : x
  2. Step 2: Convert to fraction form
    180,123.36/270,175.30 = 91,374.56/x
  3. Step 3: Cross multiply
    180,123.36x = 270,175.30 × 91,374.56
  4. Step 4: Simplify right side
    180,123.36x = 24,687,150,113.95
  5. Step 5: Solve for x
    x = 24,687,150,113.95/180,123.36
  6. Step 6: Final answer
    x = 137,056.90

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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.