Home / 131,845.32-181,958.40-75,274.92

Finding the Fourth Proportional to 131,845.32, 181,958.40 and 75,274.92

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Solution

The fourth proportional to 131,845.32, 181,958.40 and 75,274.92 is: 103,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,845.32 : 181,958.40 = 75,274.92 : x
  2. Step 2: Convert to fraction form
    131,845.32/181,958.40 = 75,274.92/x
  3. Step 3: Cross multiply
    131,845.32x = 181,958.40 × 75,274.92
  4. Step 4: Simplify right side
    131,845.32x = 13,696,904,003.33
  5. Step 5: Solve for x
    x = 13,696,904,003.33/131,845.32
  6. Step 6: Final answer
    x = 103,886.16

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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.