Home / 130,523.40-195,785.10-123,784.20

Finding the Fourth Proportional to 130,523.40, 195,785.10 and 123,784.20

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Solution

The fourth proportional to 130,523.40, 195,785.10 and 123,784.20 is: 185,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,523.40 : 195,785.10 = 123,784.20 : x
  2. Step 2: Convert to fraction form
    130,523.40/195,785.10 = 123,784.20/x
  3. Step 3: Cross multiply
    130,523.40x = 195,785.10 × 123,784.20
  4. Step 4: Simplify right side
    130,523.40x = 24,235,101,975.42
  5. Step 5: Solve for x
    x = 24,235,101,975.42/130,523.40
  6. Step 6: Final answer
    x = 185,676.30

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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.