Home / 145,664.32-218,549.04-50,908.56

Finding the Fourth Proportional to 145,664.32, 218,549.04 and 50,908.56

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Solution

The fourth proportional to 145,664.32, 218,549.04 and 50,908.56 is: 76,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,664.32 : 218,549.04 = 50,908.56 : x
  2. Step 2: Convert to fraction form
    145,664.32/218,549.04 = 50,908.56/x
  3. Step 3: Cross multiply
    145,664.32x = 218,549.04 × 50,908.56
  4. Step 4: Simplify right side
    145,664.32x = 11,126,016,915.78
  5. Step 5: Solve for x
    x = 11,126,016,915.78/145,664.32
  6. Step 6: Final answer
    x = 76,381.21

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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.