Home / 146,763.90-220,134.78-46,934.64

Finding the Fourth Proportional to 146,763.90, 220,134.78 and 46,934.64

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Solution

The fourth proportional to 146,763.90, 220,134.78 and 46,934.64 is: 70,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,763.90 : 220,134.78 = 46,934.64 : x
  2. Step 2: Convert to fraction form
    146,763.90/220,134.78 = 46,934.64/x
  3. Step 3: Cross multiply
    146,763.90x = 220,134.78 × 46,934.64
  4. Step 4: Simplify right side
    146,763.90x = 10,331,946,650.78
  5. Step 5: Solve for x
    x = 10,331,946,650.78/146,763.90
  6. Step 6: Final answer
    x = 70,398.42

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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.