Home / 434,098.05-651,171.69-134,621.21

Finding the Fourth Proportional to 434,098.05, 651,171.69 and 134,621.21

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Solution

The fourth proportional to 434,098.05, 651,171.69 and 134,621.21 is: 201,939.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,098.05 : 651,171.69 = 134,621.21 : x
  2. Step 2: Convert to fraction form
    434,098.05/651,171.69 = 134,621.21/x
  3. Step 3: Cross multiply
    434,098.05x = 651,171.69 × 134,621.21
  4. Step 4: Simplify right side
    434,098.05x = 87,661,517,569.69
  5. Step 5: Solve for x
    x = 87,661,517,569.69/434,098.05
  6. Step 6: Final answer
    x = 201,939.44

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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.