Home / 131,671.93-181,707.26-71,242.58

Finding the Fourth Proportional to 131,671.93, 181,707.26 and 71,242.58

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Solution

The fourth proportional to 131,671.93, 181,707.26 and 71,242.58 is: 98,314.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,671.93 : 181,707.26 = 71,242.58 : x
  2. Step 2: Convert to fraction form
    131,671.93/181,707.26 = 71,242.58/x
  3. Step 3: Cross multiply
    131,671.93x = 181,707.26 × 71,242.58
  4. Step 4: Simplify right side
    131,671.93x = 12,945,292,742.38
  5. Step 5: Solve for x
    x = 12,945,292,742.38/131,671.93
  6. Step 6: Final answer
    x = 98,314.75

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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.