Home / 151,350.39-208,864.98-83,367.65

Finding the Fourth Proportional to 151,350.39, 208,864.98 and 83,367.65

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Solution

The fourth proportional to 151,350.39, 208,864.98 and 83,367.65 is: 115,048.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,350.39 : 208,864.98 = 83,367.65 : x
  2. Step 2: Convert to fraction form
    151,350.39/208,864.98 = 83,367.65/x
  3. Step 3: Cross multiply
    151,350.39x = 208,864.98 × 83,367.65
  4. Step 4: Simplify right side
    151,350.39x = 17,412,583,072.06
  5. Step 5: Solve for x
    x = 17,412,583,072.06/151,350.39
  6. Step 6: Final answer
    x = 115,048.15

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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.