Home / 127,696.37-176,228.93-70,335.68

Finding the Fourth Proportional to 127,696.37, 176,228.93 and 70,335.68

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Solution

The fourth proportional to 127,696.37, 176,228.93 and 70,335.68 is: 97,067.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,696.37 : 176,228.93 = 70,335.68 : x
  2. Step 2: Convert to fraction form
    127,696.37/176,228.93 = 70,335.68/x
  3. Step 3: Cross multiply
    127,696.37x = 176,228.93 × 70,335.68
  4. Step 4: Simplify right side
    127,696.37x = 12,395,180,921.92
  5. Step 5: Solve for x
    x = 12,395,180,921.92/127,696.37
  6. Step 6: Final answer
    x = 97,067.61

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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.