Home / 148,113.62-204,395.96-80,130.42

Finding the Fourth Proportional to 148,113.62, 204,395.96 and 80,130.42

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Solution

The fourth proportional to 148,113.62, 204,395.96 and 80,130.42 is: 110,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,113.62 : 204,395.96 = 80,130.42 : x
  2. Step 2: Convert to fraction form
    148,113.62/204,395.96 = 80,130.42/x
  3. Step 3: Cross multiply
    148,113.62x = 204,395.96 × 80,130.42
  4. Step 4: Simplify right side
    148,113.62x = 16,378,334,121.10
  5. Step 5: Solve for x
    x = 16,378,334,121.10/148,113.62
  6. Step 6: Final answer
    x = 110,579.53

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1.5x scale

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.