Home / 220,804.62-304,750.26-130,155.36

Finding the Fourth Proportional to 220,804.62, 304,750.26 and 130,155.36

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Solution

The fourth proportional to 220,804.62, 304,750.26 and 130,155.36 is: 179,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,804.62 : 304,750.26 = 130,155.36 : x
  2. Step 2: Convert to fraction form
    220,804.62/304,750.26 = 130,155.36/x
  3. Step 3: Cross multiply
    220,804.62x = 304,750.26 × 130,155.36
  4. Step 4: Simplify right side
    220,804.62x = 39,664,879,800.39
  5. Step 5: Solve for x
    x = 39,664,879,800.39/220,804.62
  6. Step 6: Final answer
    x = 179,637.91

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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.