Home / 133,788.08-200,712.83-45,039.22

Finding the Fourth Proportional to 133,788.08, 200,712.83 and 45,039.22

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Solution

The fourth proportional to 133,788.08, 200,712.83 and 45,039.22 is: 67,569.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,788.08 : 200,712.83 = 45,039.22 : x
  2. Step 2: Convert to fraction form
    133,788.08/200,712.83 = 45,039.22/x
  3. Step 3: Cross multiply
    133,788.08x = 200,712.83 × 45,039.22
  4. Step 4: Simplify right side
    133,788.08x = 9,039,949,307.19
  5. Step 5: Solve for x
    x = 9,039,949,307.19/133,788.08
  6. Step 6: Final answer
    x = 67,569.17

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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.