Home / 130,391.52-179,919.72-75,952.64

Finding the Fourth Proportional to 130,391.52, 179,919.72 and 75,952.64

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Solution

The fourth proportional to 130,391.52, 179,919.72 and 75,952.64 is: 104,802.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,391.52 : 179,919.72 = 75,952.64 : x
  2. Step 2: Convert to fraction form
    130,391.52/179,919.72 = 75,952.64/x
  3. Step 3: Cross multiply
    130,391.52x = 179,919.72 × 75,952.64
  4. Step 4: Simplify right side
    130,391.52x = 13,665,377,012.34
  5. Step 5: Solve for x
    x = 13,665,377,012.34/130,391.52
  6. Step 6: Final answer
    x = 104,802.65

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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.