Home / 146,215.20-219,152.70-67,337.40

Finding the Fourth Proportional to 146,215.20, 219,152.70 and 67,337.40

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Solution

The fourth proportional to 146,215.20, 219,152.70 and 67,337.40 is: 100,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,215.20 : 219,152.70 = 67,337.40 : x
  2. Step 2: Convert to fraction form
    146,215.20/219,152.70 = 67,337.40/x
  3. Step 3: Cross multiply
    146,215.20x = 219,152.70 × 67,337.40
  4. Step 4: Simplify right side
    146,215.20x = 14,757,173,020.98
  5. Step 5: Solve for x
    x = 14,757,173,020.98/146,215.20
  6. Step 6: Final answer
    x = 100,927.76

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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.