Home / 84,127.72-126,220.38-37,413.16

Finding the Fourth Proportional to 84,127.72, 126,220.38 and 37,413.16

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Solution

The fourth proportional to 84,127.72, 126,220.38 and 37,413.16 is: 56,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,127.72 : 126,220.38 = 37,413.16 : x
  2. Step 2: Convert to fraction form
    84,127.72/126,220.38 = 37,413.16/x
  3. Step 3: Cross multiply
    84,127.72x = 126,220.38 × 37,413.16
  4. Step 4: Simplify right side
    84,127.72x = 4,722,303,272.20
  5. Step 5: Solve for x
    x = 4,722,303,272.20/84,127.72
  6. Step 6: Final answer
    x = 56,132.55

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1.5x scale

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.