Home / 146,738.70-220,108.05-68,006.70

Finding the Fourth Proportional to 146,738.70, 220,108.05 and 68,006.70

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Solution

The fourth proportional to 146,738.70, 220,108.05 and 68,006.70 is: 102,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,738.70 : 220,108.05 = 68,006.70 : x
  2. Step 2: Convert to fraction form
    146,738.70/220,108.05 = 68,006.70/x
  3. Step 3: Cross multiply
    146,738.70x = 220,108.05 × 68,006.70
  4. Step 4: Simplify right side
    146,738.70x = 14,968,822,123.94
  5. Step 5: Solve for x
    x = 14,968,822,123.94/146,738.70
  6. Step 6: Final answer
    x = 102,010.05

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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.