Home / 130,049.90-195,123.45-51,219.08

Finding the Fourth Proportional to 130,049.90, 195,123.45 and 51,219.08

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Solution

The fourth proportional to 130,049.90, 195,123.45 and 51,219.08 is: 76,847.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,049.90 : 195,123.45 = 51,219.08 : x
  2. Step 2: Convert to fraction form
    130,049.90/195,123.45 = 51,219.08/x
  3. Step 3: Cross multiply
    130,049.90x = 195,123.45 × 51,219.08
  4. Step 4: Simplify right side
    130,049.90x = 9,994,043,595.43
  5. Step 5: Solve for x
    x = 9,994,043,595.43/130,049.90
  6. Step 6: Final answer
    x = 76,847.76

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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.