Home / 133,005.18-183,551.57-72,579.14

Finding the Fourth Proportional to 133,005.18, 183,551.57 and 72,579.14

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Solution

The fourth proportional to 133,005.18, 183,551.57 and 72,579.14 is: 100,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,005.18 : 183,551.57 = 72,579.14 : x
  2. Step 2: Convert to fraction form
    133,005.18/183,551.57 = 72,579.14/x
  3. Step 3: Cross multiply
    133,005.18x = 183,551.57 × 72,579.14
  4. Step 4: Simplify right side
    133,005.18x = 13,322,013,815.60
  5. Step 5: Solve for x
    x = 13,322,013,815.60/133,005.18
  6. Step 6: Final answer
    x = 100,161.62

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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.