Home / 146,214.10-219,321.15-76,084.30

Finding the Fourth Proportional to 146,214.10, 219,321.15 and 76,084.30

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Solution

The fourth proportional to 146,214.10, 219,321.15 and 76,084.30 is: 114,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,214.10 : 219,321.15 = 76,084.30 : x
  2. Step 2: Convert to fraction form
    146,214.10/219,321.15 = 76,084.30/x
  3. Step 3: Cross multiply
    146,214.10x = 219,321.15 × 76,084.30
  4. Step 4: Simplify right side
    146,214.10x = 16,686,896,172.95
  5. Step 5: Solve for x
    x = 16,686,896,172.95/146,214.10
  6. Step 6: Final answer
    x = 114,126.45

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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.