Home / 131,157.60-195,491.28-126,837.60

Finding the Fourth Proportional to 131,157.60, 195,491.28 and 126,837.60

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Solution

The fourth proportional to 131,157.60, 195,491.28 and 126,837.60 is: 189,052.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,157.60 : 195,491.28 = 126,837.60 : x
  2. Step 2: Convert to fraction form
    131,157.60/195,491.28 = 126,837.60/x
  3. Step 3: Cross multiply
    131,157.60x = 195,491.28 × 126,837.60
  4. Step 4: Simplify right side
    131,157.60x = 24,795,644,776.13
  5. Step 5: Solve for x
    x = 24,795,644,776.13/131,157.60
  6. Step 6: Final answer
    x = 189,052.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.