Home / 131,630.42-181,653.09-75,047.06

Finding the Fourth Proportional to 131,630.42, 181,653.09 and 75,047.06

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Solution

The fourth proportional to 131,630.42, 181,653.09 and 75,047.06 is: 103,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,630.42 : 181,653.09 = 75,047.06 : x
  2. Step 2: Convert to fraction form
    131,630.42/181,653.09 = 75,047.06/x
  3. Step 3: Cross multiply
    131,630.42x = 181,653.09 × 75,047.06
  4. Step 4: Simplify right side
    131,630.42x = 13,632,530,344.42
  5. Step 5: Solve for x
    x = 13,632,530,344.42/131,630.42
  6. Step 6: Final answer
    x = 103,566.72

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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.