Home / 110,258.19-165,239.64-54,012.18

Finding the Fourth Proportional to 110,258.19, 165,239.64 and 54,012.18

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Solution

The fourth proportional to 110,258.19, 165,239.64 and 54,012.18 is: 80,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,258.19 : 165,239.64 = 54,012.18 : x
  2. Step 2: Convert to fraction form
    110,258.19/165,239.64 = 54,012.18/x
  3. Step 3: Cross multiply
    110,258.19x = 165,239.64 × 54,012.18
  4. Step 4: Simplify right side
    110,258.19x = 8,924,953,178.82
  5. Step 5: Solve for x
    x = 8,924,953,178.82/110,258.19
  6. Step 6: Final answer
    x = 80,945.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.