Home / 130,452.48-179,944.85-86,249.93

Finding the Fourth Proportional to 130,452.48, 179,944.85 and 86,249.93

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Solution

The fourth proportional to 130,452.48, 179,944.85 and 86,249.93 is: 118,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,452.48 : 179,944.85 = 86,249.93 : x
  2. Step 2: Convert to fraction form
    130,452.48/179,944.85 = 86,249.93/x
  3. Step 3: Cross multiply
    130,452.48x = 179,944.85 × 86,249.93
  4. Step 4: Simplify right side
    130,452.48x = 15,520,229,835.25
  5. Step 5: Solve for x
    x = 15,520,229,835.25/130,452.48
  6. Step 6: Final answer
    x = 118,972.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.