Home / 130,289.72-195,474.26-63,720.17

Finding the Fourth Proportional to 130,289.72, 195,474.26 and 63,720.17

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Solution

The fourth proportional to 130,289.72, 195,474.26 and 63,720.17 is: 95,599.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,289.72 : 195,474.26 = 63,720.17 : x
  2. Step 2: Convert to fraction form
    130,289.72/195,474.26 = 63,720.17/x
  3. Step 3: Cross multiply
    130,289.72x = 195,474.26 × 63,720.17
  4. Step 4: Simplify right side
    130,289.72x = 12,455,652,992.78
  5. Step 5: Solve for x
    x = 12,455,652,992.78/130,289.72
  6. Step 6: Final answer
    x = 95,599.66

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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.