Home / 146,740.20-220,110.30-136,825.80

Finding the Fourth Proportional to 146,740.20, 220,110.30 and 136,825.80

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Solution

The fourth proportional to 146,740.20, 220,110.30 and 136,825.80 is: 205,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,740.20 : 220,110.30 = 136,825.80 : x
  2. Step 2: Convert to fraction form
    146,740.20/220,110.30 = 136,825.80/x
  3. Step 3: Cross multiply
    146,740.20x = 220,110.30 × 136,825.80
  4. Step 4: Simplify right side
    146,740.20x = 30,116,767,885.74
  5. Step 5: Solve for x
    x = 30,116,767,885.74/146,740.20
  6. Step 6: Final answer
    x = 205,238.70

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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.