Home / 131,601.72-181,611.46-75,016.74

Finding the Fourth Proportional to 131,601.72, 181,611.46 and 75,016.74

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Solution

The fourth proportional to 131,601.72, 181,611.46 and 75,016.74 is: 103,523.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,601.72 : 181,611.46 = 75,016.74 : x
  2. Step 2: Convert to fraction form
    131,601.72/181,611.46 = 75,016.74/x
  3. Step 3: Cross multiply
    131,601.72x = 181,611.46 × 75,016.74
  4. Step 4: Simplify right side
    131,601.72x = 13,623,899,675.84
  5. Step 5: Solve for x
    x = 13,623,899,675.84/131,601.72
  6. Step 6: Final answer
    x = 103,523.72

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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.