Home / 130,047.90-195,120.45-51,217.08

Finding the Fourth Proportional to 130,047.90, 195,120.45 and 51,217.08

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Solution

The fourth proportional to 130,047.90, 195,120.45 and 51,217.08 is: 76,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,047.90 : 195,120.45 = 51,217.08 : x
  2. Step 2: Convert to fraction form
    130,047.90/195,120.45 = 51,217.08/x
  3. Step 3: Cross multiply
    130,047.90x = 195,120.45 × 51,217.08
  4. Step 4: Simplify right side
    130,047.90x = 9,993,499,697.29
  5. Step 5: Solve for x
    x = 9,993,499,697.29/130,047.90
  6. Step 6: Final answer
    x = 76,844.76

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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.