Home / 90,171.01-124,413.64-58,301.56

Finding the Fourth Proportional to 90,171.01, 124,413.64 and 58,301.56

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Solution

The fourth proportional to 90,171.01, 124,413.64 and 58,301.56 is: 80,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,171.01 : 124,413.64 = 58,301.56 : x
  2. Step 2: Convert to fraction form
    90,171.01/124,413.64 = 58,301.56/x
  3. Step 3: Cross multiply
    90,171.01x = 124,413.64 × 58,301.56
  4. Step 4: Simplify right side
    90,171.01x = 7,253,509,297.28
  5. Step 5: Solve for x
    x = 7,253,509,297.28/90,171.01
  6. Step 6: Final answer
    x = 80,441.70

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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.