Home / 179,725.77-247,911.71-115,173.36

Finding the Fourth Proportional to 179,725.77, 247,911.71 and 115,173.36

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Solution

The fourth proportional to 179,725.77, 247,911.71 and 115,173.36 is: 158,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,725.77 : 247,911.71 = 115,173.36 : x
  2. Step 2: Convert to fraction form
    179,725.77/247,911.71 = 115,173.36/x
  3. Step 3: Cross multiply
    179,725.77x = 247,911.71 × 115,173.36
  4. Step 4: Simplify right side
    179,725.77x = 28,552,824,048.18
  5. Step 5: Solve for x
    x = 28,552,824,048.18/179,725.77
  6. Step 6: Final answer
    x = 158,868.84

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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.