Home / 109,143.36-163,777.82-45,958.50

Finding the Fourth Proportional to 109,143.36, 163,777.82 and 45,958.50

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Solution

The fourth proportional to 109,143.36, 163,777.82 and 45,958.50 is: 68,964.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,143.36 : 163,777.82 = 45,958.50 : x
  2. Step 2: Convert to fraction form
    109,143.36/163,777.82 = 45,958.50/x
  3. Step 3: Cross multiply
    109,143.36x = 163,777.82 × 45,958.50
  4. Step 4: Simplify right side
    109,143.36x = 7,526,982,710.68
  5. Step 5: Solve for x
    x = 7,526,982,710.68/109,143.36
  6. Step 6: Final answer
    x = 68,964.18

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1.5x scale

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.