Home / 130,895.20-196,285.20-51,983.20

Finding the Fourth Proportional to 130,895.20, 196,285.20 and 51,983.20

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Solution

The fourth proportional to 130,895.20, 196,285.20 and 51,983.20 is: 77,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,895.20 : 196,285.20 = 51,983.20 : x
  2. Step 2: Convert to fraction form
    130,895.20/196,285.20 = 51,983.20/x
  3. Step 3: Cross multiply
    130,895.20x = 196,285.20 × 51,983.20
  4. Step 4: Simplify right side
    130,895.20x = 10,203,532,808.64
  5. Step 5: Solve for x
    x = 10,203,532,808.64/130,895.20
  6. Step 6: Final answer
    x = 77,951.92

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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.