Home / 146,246.10-219,369.15-76,116.30

Finding the Fourth Proportional to 146,246.10, 219,369.15 and 76,116.30

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Solution

The fourth proportional to 146,246.10, 219,369.15 and 76,116.30 is: 114,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,246.10 : 219,369.15 = 76,116.30 : x
  2. Step 2: Convert to fraction form
    146,246.10/219,369.15 = 76,116.30/x
  3. Step 3: Cross multiply
    146,246.10x = 219,369.15 × 76,116.30
  4. Step 4: Simplify right side
    146,246.10x = 16,697,568,032.15
  5. Step 5: Solve for x
    x = 16,697,568,032.15/146,246.10
  6. Step 6: Final answer
    x = 114,174.45

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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.