Home / 130,294.44-179,918.55-81,976.93

Finding the Fourth Proportional to 130,294.44, 179,918.55 and 81,976.93

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Solution

The fourth proportional to 130,294.44, 179,918.55 and 81,976.93 is: 113,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,294.44 : 179,918.55 = 81,976.93 : x
  2. Step 2: Convert to fraction form
    130,294.44/179,918.55 = 81,976.93/x
  3. Step 3: Cross multiply
    130,294.44x = 179,918.55 × 81,976.93
  4. Step 4: Simplify right side
    130,294.44x = 14,749,169,929.26
  5. Step 5: Solve for x
    x = 14,749,169,929.26/130,294.44
  6. Step 6: Final answer
    x = 113,198.77

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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.