Home / 130,296.72-179,651.88-110,118

Finding the Fourth Proportional to 130,296.72, 179,651.88 and 110,118

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Solution

The fourth proportional to 130,296.72, 179,651.88 and 110,118 is: 151,829.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,296.72 : 179,651.88 = 110,118 : x
  2. Step 2: Convert to fraction form
    130,296.72/179,651.88 = 110,118/x
  3. Step 3: Cross multiply
    130,296.72x = 179,651.88 × 110,118
  4. Step 4: Simplify right side
    130,296.72x = 19,782,905,721.84
  5. Step 5: Solve for x
    x = 19,782,905,721.84/130,296.72
  6. Step 6: Final answer
    x = 151,829.65

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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.