Home / 130,185.78-195,208.41-59,069.61

Finding the Fourth Proportional to 130,185.78, 195,208.41 and 59,069.61

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Solution

The fourth proportional to 130,185.78, 195,208.41 and 59,069.61 is: 88,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,185.78 : 195,208.41 = 59,069.61 : x
  2. Step 2: Convert to fraction form
    130,185.78/195,208.41 = 59,069.61/x
  3. Step 3: Cross multiply
    130,185.78x = 195,208.41 × 59,069.61
  4. Step 4: Simplify right side
    130,185.78x = 11,530,884,647.42
  5. Step 5: Solve for x
    x = 11,530,884,647.42/130,185.78
  6. Step 6: Final answer
    x = 88,572.54

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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.