Home / 133,788.81-200,289.55-89,305.23

Finding the Fourth Proportional to 133,788.81, 200,289.55 and 89,305.23

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Solution

The fourth proportional to 133,788.81, 200,289.55 and 89,305.23 is: 133,695.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,788.81 : 200,289.55 = 89,305.23 : x
  2. Step 2: Convert to fraction form
    133,788.81/200,289.55 = 89,305.23/x
  3. Step 3: Cross multiply
    133,788.81x = 200,289.55 × 89,305.23
  4. Step 4: Simplify right side
    133,788.81x = 17,886,904,106.08
  5. Step 5: Solve for x
    x = 17,886,904,106.08/133,788.81
  6. Step 6: Final answer
    x = 133,695.07

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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.