Home / 143,935.29-215,905.64-49,187.16

Finding the Fourth Proportional to 143,935.29, 215,905.64 and 49,187.16

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Solution

The fourth proportional to 143,935.29, 215,905.64 and 49,187.16 is: 73,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,935.29 : 215,905.64 = 49,187.16 : x
  2. Step 2: Convert to fraction form
    143,935.29/215,905.64 = 49,187.16/x
  3. Step 3: Cross multiply
    143,935.29x = 215,905.64 × 49,187.16
  4. Step 4: Simplify right side
    143,935.29x = 10,619,785,013.65
  5. Step 5: Solve for x
    x = 10,619,785,013.65/143,935.29
  6. Step 6: Final answer
    x = 73,781.66

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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.