Home / 110,848.42-166,272.63-66,419.52

Finding the Fourth Proportional to 110,848.42, 166,272.63 and 66,419.52

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Solution

The fourth proportional to 110,848.42, 166,272.63 and 66,419.52 is: 99,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,848.42 : 166,272.63 = 66,419.52 : x
  2. Step 2: Convert to fraction form
    110,848.42/166,272.63 = 66,419.52/x
  3. Step 3: Cross multiply
    110,848.42x = 166,272.63 × 66,419.52
  4. Step 4: Simplify right side
    110,848.42x = 11,043,748,273.74
  5. Step 5: Solve for x
    x = 11,043,748,273.74/110,848.42
  6. Step 6: Final answer
    x = 99,629.28

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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.