Home / 146,946.30-220,419.45-36,138.30

Finding the Fourth Proportional to 146,946.30, 220,419.45 and 36,138.30

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Solution

The fourth proportional to 146,946.30, 220,419.45 and 36,138.30 is: 54,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,946.30 : 220,419.45 = 36,138.30 : x
  2. Step 2: Convert to fraction form
    146,946.30/220,419.45 = 36,138.30/x
  3. Step 3: Cross multiply
    146,946.30x = 220,419.45 × 36,138.30
  4. Step 4: Simplify right side
    146,946.30x = 7,965,584,209.94
  5. Step 5: Solve for x
    x = 7,965,584,209.94/146,946.30
  6. Step 6: Final answer
    x = 54,207.45

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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.