Home / 131,742.60-181,804.87-71,313.74

Finding the Fourth Proportional to 131,742.60, 181,804.87 and 71,313.74

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Solution

The fourth proportional to 131,742.60, 181,804.87 and 71,313.74 is: 98,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,742.60 : 181,804.87 = 71,313.74 : x
  2. Step 2: Convert to fraction form
    131,742.60/181,804.87 = 71,313.74/x
  3. Step 3: Cross multiply
    131,742.60x = 181,804.87 × 71,313.74
  4. Step 4: Simplify right side
    131,742.60x = 12,965,185,229.91
  5. Step 5: Solve for x
    x = 12,965,185,229.91/131,742.60
  6. Step 6: Final answer
    x = 98,413.01

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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.