Home / 146,261.80-219,392.70-136,420.30

Finding the Fourth Proportional to 146,261.80, 219,392.70 and 136,420.30

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Solution

The fourth proportional to 146,261.80, 219,392.70 and 136,420.30 is: 204,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,261.80 : 219,392.70 = 136,420.30 : x
  2. Step 2: Convert to fraction form
    146,261.80/219,392.70 = 136,420.30/x
  3. Step 3: Cross multiply
    146,261.80x = 219,392.70 × 136,420.30
  4. Step 4: Simplify right side
    146,261.80x = 29,929,617,951.81
  5. Step 5: Solve for x
    x = 29,929,617,951.81/146,261.80
  6. Step 6: Final answer
    x = 204,630.45

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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.