Home / 126,166.64-174,104.10-72,413.82

Finding the Fourth Proportional to 126,166.64, 174,104.10 and 72,413.82

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Solution

The fourth proportional to 126,166.64, 174,104.10 and 72,413.82 is: 99,927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,166.64 : 174,104.10 = 72,413.82 : x
  2. Step 2: Convert to fraction form
    126,166.64/174,104.10 = 72,413.82/x
  3. Step 3: Cross multiply
    126,166.64x = 174,104.10 × 72,413.82
  4. Step 4: Simplify right side
    126,166.64x = 12,607,542,958.66
  5. Step 5: Solve for x
    x = 12,607,542,958.66/126,166.64
  6. Step 6: Final answer
    x = 99,927.71

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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.