Home / 137,707.75-206,565.81-42,941.35

Finding the Fourth Proportional to 137,707.75, 206,565.81 and 42,941.35

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Solution

The fourth proportional to 137,707.75, 206,565.81 and 42,941.35 is: 64,413.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,707.75 : 206,565.81 = 42,941.35 : x
  2. Step 2: Convert to fraction form
    137,707.75/206,565.81 = 42,941.35/x
  3. Step 3: Cross multiply
    137,707.75x = 206,565.81 × 42,941.35
  4. Step 4: Simplify right side
    137,707.75x = 8,870,214,745.24
  5. Step 5: Solve for x
    x = 8,870,214,745.24/137,707.75
  6. Step 6: Final answer
    x = 64,413.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.