Home / 207,146.39-310,669.09-57,382.79

Finding the Fourth Proportional to 207,146.39, 310,669.09 and 57,382.79

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Solution

The fourth proportional to 207,146.39, 310,669.09 and 57,382.79 is: 86,060.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,146.39 : 310,669.09 = 57,382.79 : x
  2. Step 2: Convert to fraction form
    207,146.39/310,669.09 = 57,382.79/x
  3. Step 3: Cross multiply
    207,146.39x = 310,669.09 × 57,382.79
  4. Step 4: Simplify right side
    207,146.39x = 17,827,057,454.16
  5. Step 5: Solve for x
    x = 17,827,057,454.16/207,146.39
  6. Step 6: Final answer
    x = 86,060.19

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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.