Home / 203,260.14-280,545.66-135,280.02

Finding the Fourth Proportional to 203,260.14, 280,545.66 and 135,280.02

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Solution

The fourth proportional to 203,260.14, 280,545.66 and 135,280.02 is: 186,717.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,260.14 : 280,545.66 = 135,280.02 : x
  2. Step 2: Convert to fraction form
    203,260.14/280,545.66 = 135,280.02/x
  3. Step 3: Cross multiply
    203,260.14x = 280,545.66 × 135,280.02
  4. Step 4: Simplify right side
    203,260.14x = 37,952,222,495.71
  5. Step 5: Solve for x
    x = 37,952,222,495.71/203,260.14
  6. Step 6: Final answer
    x = 186,717.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.