Home / 132,574.35-182,954.81-72,147.54

Finding the Fourth Proportional to 132,574.35, 182,954.81 and 72,147.54

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Solution

The fourth proportional to 132,574.35, 182,954.81 and 72,147.54 is: 99,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,574.35 : 182,954.81 = 72,147.54 : x
  2. Step 2: Convert to fraction form
    132,574.35/182,954.81 = 72,147.54/x
  3. Step 3: Cross multiply
    132,574.35x = 182,954.81 × 72,147.54
  4. Step 4: Simplify right side
    132,574.35x = 13,199,739,472.67
  5. Step 5: Solve for x
    x = 13,199,739,472.67/132,574.35
  6. Step 6: Final answer
    x = 99,564.81

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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.