Home / 131,567.64-181,560.93-80,572.28

Finding the Fourth Proportional to 131,567.64, 181,560.93 and 80,572.28

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Solution

The fourth proportional to 131,567.64, 181,560.93 and 80,572.28 is: 111,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,567.64 : 181,560.93 = 80,572.28 : x
  2. Step 2: Convert to fraction form
    131,567.64/181,560.93 = 80,572.28/x
  3. Step 3: Cross multiply
    131,567.64x = 181,560.93 × 80,572.28
  4. Step 4: Simplify right side
    131,567.64x = 14,628,777,181.22
  5. Step 5: Solve for x
    x = 14,628,777,181.22/131,567.64
  6. Step 6: Final answer
    x = 111,188.26

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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.