Home / 143,068.38-214,640.84-49,574.13

Finding the Fourth Proportional to 143,068.38, 214,640.84 and 49,574.13

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Solution

The fourth proportional to 143,068.38, 214,640.84 and 49,574.13 is: 74,374.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,068.38 : 214,640.84 = 49,574.13 : x
  2. Step 2: Convert to fraction form
    143,068.38/214,640.84 = 49,574.13/x
  3. Step 3: Cross multiply
    143,068.38x = 214,640.84 × 49,574.13
  4. Step 4: Simplify right side
    143,068.38x = 10,640,632,905.47
  5. Step 5: Solve for x
    x = 10,640,632,905.47/143,068.38
  6. Step 6: Final answer
    x = 74,374.46

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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.