Home / 148,623.40-222,935.10-55,109.80

Finding the Fourth Proportional to 148,623.40, 222,935.10 and 55,109.80

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Solution

The fourth proportional to 148,623.40, 222,935.10 and 55,109.80 is: 82,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,623.40 : 222,935.10 = 55,109.80 : x
  2. Step 2: Convert to fraction form
    148,623.40/222,935.10 = 55,109.80/x
  3. Step 3: Cross multiply
    148,623.40x = 222,935.10 × 55,109.80
  4. Step 4: Simplify right side
    148,623.40x = 12,285,908,773.98
  5. Step 5: Solve for x
    x = 12,285,908,773.98/148,623.40
  6. Step 6: Final answer
    x = 82,664.70

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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.