Home / 130,418.88-195,656.40-40,459.77

Finding the Fourth Proportional to 130,418.88, 195,656.40 and 40,459.77

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Solution

The fourth proportional to 130,418.88, 195,656.40 and 40,459.77 is: 60,698.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,418.88 : 195,656.40 = 40,459.77 : x
  2. Step 2: Convert to fraction form
    130,418.88/195,656.40 = 40,459.77/x
  3. Step 3: Cross multiply
    130,418.88x = 195,656.40 × 40,459.77
  4. Step 4: Simplify right side
    130,418.88x = 7,916,212,943.03
  5. Step 5: Solve for x
    x = 7,916,212,943.03/130,418.88
  6. Step 6: Final answer
    x = 60,698.37

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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.