Home / 146,830.12-202,600.24-86,413.43

Finding the Fourth Proportional to 146,830.12, 202,600.24 and 86,413.43

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Solution

The fourth proportional to 146,830.12, 202,600.24 and 86,413.43 is: 119,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,830.12 : 202,600.24 = 86,413.43 : x
  2. Step 2: Convert to fraction form
    146,830.12/202,600.24 = 86,413.43/x
  3. Step 3: Cross multiply
    146,830.12x = 202,600.24 × 86,413.43
  4. Step 4: Simplify right side
    146,830.12x = 17,507,381,947.69
  5. Step 5: Solve for x
    x = 17,507,381,947.69/146,830.12
  6. Step 6: Final answer
    x = 119,235.63

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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.