Home / 185,141.05-255,495.59-100,258.45

Finding the Fourth Proportional to 185,141.05, 255,495.59 and 100,258.45

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Solution

The fourth proportional to 185,141.05, 255,495.59 and 100,258.45 is: 138,357.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,141.05 : 255,495.59 = 100,258.45 : x
  2. Step 2: Convert to fraction form
    185,141.05/255,495.59 = 100,258.45/x
  3. Step 3: Cross multiply
    185,141.05x = 255,495.59 × 100,258.45
  4. Step 4: Simplify right side
    185,141.05x = 25,615,591,835.24
  5. Step 5: Solve for x
    x = 25,615,591,835.24/185,141.05
  6. Step 6: Final answer
    x = 138,357.17

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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.