Home / 220,431.93-304,176.62-122,317.64

Finding the Fourth Proportional to 220,431.93, 304,176.62 and 122,317.64

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Solution

The fourth proportional to 220,431.93, 304,176.62 and 122,317.64 is: 168,787.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,431.93 : 304,176.62 = 122,317.64 : x
  2. Step 2: Convert to fraction form
    220,431.93/304,176.62 = 122,317.64/x
  3. Step 3: Cross multiply
    220,431.93x = 304,176.62 × 122,317.64
  4. Step 4: Simplify right side
    220,431.93x = 37,206,167,250.11
  5. Step 5: Solve for x
    x = 37,206,167,250.11/220,431.93
  6. Step 6: Final answer
    x = 168,787.56

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1.5x scale

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.