Home / 146,681.70-202,413.78-90,082.14

Finding the Fourth Proportional to 146,681.70, 202,413.78 and 90,082.14

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Solution

The fourth proportional to 146,681.70, 202,413.78 and 90,082.14 is: 124,309.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,681.70 : 202,413.78 = 90,082.14 : x
  2. Step 2: Convert to fraction form
    146,681.70/202,413.78 = 90,082.14/x
  3. Step 3: Cross multiply
    146,681.70x = 202,413.78 × 90,082.14
  4. Step 4: Simplify right side
    146,681.70x = 18,233,866,467.89
  5. Step 5: Solve for x
    x = 18,233,866,467.89/146,681.70
  6. Step 6: Final answer
    x = 124,309.08

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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.