Home / 148,143.36-204,436.31-80,158.84

Finding the Fourth Proportional to 148,143.36, 204,436.31 and 80,158.84

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Solution

The fourth proportional to 148,143.36, 204,436.31 and 80,158.84 is: 110,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,143.36 : 204,436.31 = 80,158.84 : x
  2. Step 2: Convert to fraction form
    148,143.36/204,436.31 = 80,158.84/x
  3. Step 3: Cross multiply
    148,143.36x = 204,436.31 × 80,158.84
  4. Step 4: Simplify right side
    148,143.36x = 16,387,376,040.50
  5. Step 5: Solve for x
    x = 16,387,376,040.50/148,143.36
  6. Step 6: Final answer
    x = 110,618.36

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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.