Home / 220,974.08-304,930.58-130,333.86

Finding the Fourth Proportional to 220,974.08, 304,930.58 and 130,333.86

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Solution

The fourth proportional to 220,974.08, 304,930.58 and 130,333.86 is: 179,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,974.08 : 304,930.58 = 130,333.86 : x
  2. Step 2: Convert to fraction form
    220,974.08/304,930.58 = 130,333.86/x
  3. Step 3: Cross multiply
    220,974.08x = 304,930.58 × 130,333.86
  4. Step 4: Simplify right side
    220,974.08x = 39,742,778,871.77
  5. Step 5: Solve for x
    x = 39,742,778,871.77/220,974.08
  6. Step 6: Final answer
    x = 179,852.68

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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.