Home / 123,350.14-170,226.51-74,935.60

Finding the Fourth Proportional to 123,350.14, 170,226.51 and 74,935.60

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Solution

The fourth proportional to 123,350.14, 170,226.51 and 74,935.60 is: 103,413.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,350.14 : 170,226.51 = 74,935.60 : x
  2. Step 2: Convert to fraction form
    123,350.14/170,226.51 = 74,935.60/x
  3. Step 3: Cross multiply
    123,350.14x = 170,226.51 × 74,935.60
  4. Step 4: Simplify right side
    123,350.14x = 12,756,025,377.69
  5. Step 5: Solve for x
    x = 12,756,025,377.69/123,350.14
  6. Step 6: Final answer
    x = 103,413.14

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1.5x scale

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.