Home / 133,330.46-183,989.58-75,983.21

Finding the Fourth Proportional to 133,330.46, 183,989.58 and 75,983.21

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Solution

The fourth proportional to 133,330.46, 183,989.58 and 75,983.21 is: 104,853.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,330.46 : 183,989.58 = 75,983.21 : x
  2. Step 2: Convert to fraction form
    133,330.46/183,989.58 = 75,983.21/x
  3. Step 3: Cross multiply
    133,330.46x = 183,989.58 × 75,983.21
  4. Step 4: Simplify right side
    133,330.46x = 13,980,119,414.97
  5. Step 5: Solve for x
    x = 13,980,119,414.97/133,330.46
  6. Step 6: Final answer
    x = 104,853.16

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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.