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Finding the Fourth Proportional to 130,365.42, 179,904.24 and 70,749.42

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Solution

The fourth proportional to 130,365.42, 179,904.24 and 70,749.42 is: 97,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,365.42 : 179,904.24 = 70,749.42 : x
  2. Step 2: Convert to fraction form
    130,365.42/179,904.24 = 70,749.42/x
  3. Step 3: Cross multiply
    130,365.42x = 179,904.24 × 70,749.42
  4. Step 4: Simplify right side
    130,365.42x = 12,728,120,635.54
  5. Step 5: Solve for x
    x = 12,728,120,635.54/130,365.42
  6. Step 6: Final answer
    x = 97,634.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.