Home / 146,730.75-220,171.19-69,880.75

Finding the Fourth Proportional to 146,730.75, 220,171.19 and 69,880.75

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Solution

The fourth proportional to 146,730.75, 220,171.19 and 69,880.75 is: 104,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,730.75 : 220,171.19 = 69,880.75 : x
  2. Step 2: Convert to fraction form
    146,730.75/220,171.19 = 69,880.75/x
  3. Step 3: Cross multiply
    146,730.75x = 220,171.19 × 69,880.75
  4. Step 4: Simplify right side
    146,730.75x = 15,385,727,801.53
  5. Step 5: Solve for x
    x = 15,385,727,801.53/146,730.75
  6. Step 6: Final answer
    x = 104,856.87

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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.