Home / 148,036.70-222,006.45-54,530.30

Finding the Fourth Proportional to 148,036.70, 222,006.45 and 54,530.30

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Solution

The fourth proportional to 148,036.70, 222,006.45 and 54,530.30 is: 81,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,036.70 : 222,006.45 = 54,530.30 : x
  2. Step 2: Convert to fraction form
    148,036.70/222,006.45 = 54,530.30/x
  3. Step 3: Cross multiply
    148,036.70x = 222,006.45 × 54,530.30
  4. Step 4: Simplify right side
    148,036.70x = 12,106,078,320.44
  5. Step 5: Solve for x
    x = 12,106,078,320.44/148,036.70
  6. Step 6: Final answer
    x = 81,777.55

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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.