Home / 130,524.40-195,786.60-123,785.20

Finding the Fourth Proportional to 130,524.40, 195,786.60 and 123,785.20

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Solution

The fourth proportional to 130,524.40, 195,786.60 and 123,785.20 is: 185,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,524.40 : 195,786.60 = 123,785.20 : x
  2. Step 2: Convert to fraction form
    130,524.40/195,786.60 = 123,785.20/x
  3. Step 3: Cross multiply
    130,524.40x = 195,786.60 × 123,785.20
  4. Step 4: Simplify right side
    130,524.40x = 24,235,483,438.32
  5. Step 5: Solve for x
    x = 24,235,483,438.32/130,524.40
  6. Step 6: Final answer
    x = 185,677.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.