Home / 180,319.45-270,503.78-75,113.81

Finding the Fourth Proportional to 180,319.45, 270,503.78 and 75,113.81

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Solution

The fourth proportional to 180,319.45, 270,503.78 and 75,113.81 is: 112,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,319.45 : 270,503.78 = 75,113.81 : x
  2. Step 2: Convert to fraction form
    180,319.45/270,503.78 = 75,113.81/x
  3. Step 3: Cross multiply
    180,319.45x = 270,503.78 × 75,113.81
  4. Step 4: Simplify right side
    180,319.45x = 20,318,569,835.89
  5. Step 5: Solve for x
    x = 20,318,569,835.89/180,319.45
  6. Step 6: Final answer
    x = 112,680.97

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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.