Home / 130,207.20-195,272.40-51,295.20

Finding the Fourth Proportional to 130,207.20, 195,272.40 and 51,295.20

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Solution

The fourth proportional to 130,207.20, 195,272.40 and 51,295.20 is: 76,927.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,207.20 : 195,272.40 = 51,295.20 : x
  2. Step 2: Convert to fraction form
    130,207.20/195,272.40 = 51,295.20/x
  3. Step 3: Cross multiply
    130,207.20x = 195,272.40 × 51,295.20
  4. Step 4: Simplify right side
    130,207.20x = 10,016,536,812.48
  5. Step 5: Solve for x
    x = 10,016,536,812.48/130,207.20
  6. Step 6: Final answer
    x = 76,927.67

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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.