Home / 146,310.20-219,472.89-46,478.21

Finding the Fourth Proportional to 146,310.20, 219,472.89 and 46,478.21

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Solution

The fourth proportional to 146,310.20, 219,472.89 and 46,478.21 is: 69,719.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,310.20 : 219,472.89 = 46,478.21 : x
  2. Step 2: Convert to fraction form
    146,310.20/219,472.89 = 46,478.21/x
  3. Step 3: Cross multiply
    146,310.20x = 219,472.89 × 46,478.21
  4. Step 4: Simplify right side
    146,310.20x = 10,200,706,060.51
  5. Step 5: Solve for x
    x = 10,200,706,060.51/146,310.20
  6. Step 6: Final answer
    x = 69,719.72

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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.