Home / 146,828.70-220,243.05-136,914.30

Finding the Fourth Proportional to 146,828.70, 220,243.05 and 136,914.30

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Solution

The fourth proportional to 146,828.70, 220,243.05 and 136,914.30 is: 205,371.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,828.70 : 220,243.05 = 136,914.30 : x
  2. Step 2: Convert to fraction form
    146,828.70/220,243.05 = 136,914.30/x
  3. Step 3: Cross multiply
    146,828.70x = 220,243.05 × 136,914.30
  4. Step 4: Simplify right side
    146,828.70x = 30,154,423,020.62
  5. Step 5: Solve for x
    x = 30,154,423,020.62/146,828.70
  6. Step 6: Final answer
    x = 205,371.45

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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.