Home / 207,166.93-310,766.05-57,405.49

Finding the Fourth Proportional to 207,166.93, 310,766.05 and 57,405.49

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Solution

The fourth proportional to 207,166.93, 310,766.05 and 57,405.49 is: 86,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,166.93 : 310,766.05 = 57,405.49 : x
  2. Step 2: Convert to fraction form
    207,166.93/310,766.05 = 57,405.49/x
  3. Step 3: Cross multiply
    207,166.93x = 310,766.05 × 57,405.49
  4. Step 4: Simplify right side
    207,166.93x = 17,839,675,821.78
  5. Step 5: Solve for x
    x = 17,839,675,821.78/207,166.93
  6. Step 6: Final answer
    x = 86,112.57

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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.