Home / 134,355.78-201,102.75-89,273.61

Finding the Fourth Proportional to 134,355.78, 201,102.75 and 89,273.61

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Solution

The fourth proportional to 134,355.78, 201,102.75 and 89,273.61 is: 133,624.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,355.78 : 201,102.75 = 89,273.61 : x
  2. Step 2: Convert to fraction form
    134,355.78/201,102.75 = 89,273.61/x
  3. Step 3: Cross multiply
    134,355.78x = 201,102.75 × 89,273.61
  4. Step 4: Simplify right side
    134,355.78x = 17,953,168,473.43
  5. Step 5: Solve for x
    x = 17,953,168,473.43/134,355.78
  6. Step 6: Final answer
    x = 133,624.09

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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.