Home / 148,389.15-204,807.93-136,433.55

Finding the Fourth Proportional to 148,389.15, 204,807.93 and 136,433.55

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Solution

The fourth proportional to 148,389.15, 204,807.93 and 136,433.55 is: 188,306.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,389.15 : 204,807.93 = 136,433.55 : x
  2. Step 2: Convert to fraction form
    148,389.15/204,807.93 = 136,433.55/x
  3. Step 3: Cross multiply
    148,389.15x = 204,807.93 × 136,433.55
  4. Step 4: Simplify right side
    148,389.15x = 27,942,672,958.05
  5. Step 5: Solve for x
    x = 27,942,672,958.05/148,389.15
  6. Step 6: Final answer
    x = 188,306.71

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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.