Home / 126,387.28-174,413.64-69,798.52

Finding the Fourth Proportional to 126,387.28, 174,413.64 and 69,798.52

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Solution

The fourth proportional to 126,387.28, 174,413.64 and 69,798.52 is: 96,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,387.28 : 174,413.64 = 69,798.52 : x
  2. Step 2: Convert to fraction form
    126,387.28/174,413.64 = 69,798.52/x
  3. Step 3: Cross multiply
    126,387.28x = 174,413.64 × 69,798.52
  4. Step 4: Simplify right side
    126,387.28x = 12,173,813,939.81
  5. Step 5: Solve for x
    x = 12,173,813,939.81/126,387.28
  6. Step 6: Final answer
    x = 96,321.51

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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.