Home / 134,721.78-202,150.80-89,773.74

Finding the Fourth Proportional to 134,721.78, 202,150.80 and 89,773.74

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Solution

The fourth proportional to 134,721.78, 202,150.80 and 89,773.74 is: 134,706.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,721.78 : 202,150.80 = 89,773.74 : x
  2. Step 2: Convert to fraction form
    134,721.78/202,150.80 = 89,773.74/x
  3. Step 3: Cross multiply
    134,721.78x = 202,150.80 × 89,773.74
  4. Step 4: Simplify right side
    134,721.78x = 18,147,833,359.99
  5. Step 5: Solve for x
    x = 18,147,833,359.99/134,721.78
  6. Step 6: Final answer
    x = 134,706.01

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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.