Home / 148,113.62-204,396.56-80,130.36

Finding the Fourth Proportional to 148,113.62, 204,396.56 and 80,130.36

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Solution

The fourth proportional to 148,113.62, 204,396.56 and 80,130.36 is: 110,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,113.62 : 204,396.56 = 80,130.36 : x
  2. Step 2: Convert to fraction form
    148,113.62/204,396.56 = 80,130.36/x
  3. Step 3: Cross multiply
    148,113.62x = 204,396.56 × 80,130.36
  4. Step 4: Simplify right side
    148,113.62x = 16,378,369,935.56
  5. Step 5: Solve for x
    x = 16,378,369,935.56/148,113.62
  6. Step 6: Final answer
    x = 110,579.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.