Home / 120,273.62-180,396.56-31,534.17

Finding the Fourth Proportional to 120,273.62, 180,396.56 and 31,534.17

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Solution

The fourth proportional to 120,273.62, 180,396.56 and 31,534.17 is: 47,297.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,273.62 : 180,396.56 = 31,534.17 : x
  2. Step 2: Convert to fraction form
    120,273.62/180,396.56 = 31,534.17/x
  3. Step 3: Cross multiply
    120,273.62x = 180,396.56 × 31,534.17
  4. Step 4: Simplify right side
    120,273.62x = 5,688,655,790.46
  5. Step 5: Solve for x
    x = 5,688,655,790.46/120,273.62
  6. Step 6: Final answer
    x = 47,297.62

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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.