Home / 91,413.76-126,150.30-51,127.52

Finding the Fourth Proportional to 91,413.76, 126,150.30 and 51,127.52

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Solution

The fourth proportional to 91,413.76, 126,150.30 and 51,127.52 is: 70,555.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,413.76 : 126,150.30 = 51,127.52 : x
  2. Step 2: Convert to fraction form
    91,413.76/126,150.30 = 51,127.52/x
  3. Step 3: Cross multiply
    91,413.76x = 126,150.30 × 51,127.52
  4. Step 4: Simplify right side
    91,413.76x = 6,449,751,662.37
  5. Step 5: Solve for x
    x = 6,449,751,662.37/91,413.76
  6. Step 6: Final answer
    x = 70,555.59

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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.