Home / 220,919.15-304,857.56-125,413.31

Finding the Fourth Proportional to 220,919.15, 304,857.56 and 125,413.31

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Solution

The fourth proportional to 220,919.15, 304,857.56 and 125,413.31 is: 173,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,919.15 : 304,857.56 = 125,413.31 : x
  2. Step 2: Convert to fraction form
    220,919.15/304,857.56 = 125,413.31/x
  3. Step 3: Cross multiply
    220,919.15x = 304,857.56 × 125,413.31
  4. Step 4: Simplify right side
    220,919.15x = 38,233,193,526.77
  5. Step 5: Solve for x
    x = 38,233,193,526.77/220,919.15
  6. Step 6: Final answer
    x = 173,064.19

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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.