Home / 130,304.72-179,662.92-110,126

Finding the Fourth Proportional to 130,304.72, 179,662.92 and 110,126

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Solution

The fourth proportional to 130,304.72, 179,662.92 and 110,126 is: 151,840.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,304.72 : 179,662.92 = 110,126 : x
  2. Step 2: Convert to fraction form
    130,304.72/179,662.92 = 110,126/x
  3. Step 3: Cross multiply
    130,304.72x = 179,662.92 × 110,126
  4. Step 4: Simplify right side
    130,304.72x = 19,785,558,727.92
  5. Step 5: Solve for x
    x = 19,785,558,727.92/130,304.72
  6. Step 6: Final answer
    x = 151,840.69

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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.