Home / 173,921.40-260,784.90-74,064.60

Finding the Fourth Proportional to 173,921.40, 260,784.90 and 74,064.60

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Solution

The fourth proportional to 173,921.40, 260,784.90 and 74,064.60 is: 111,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,921.40 : 260,784.90 = 74,064.60 : x
  2. Step 2: Convert to fraction form
    173,921.40/260,784.90 = 74,064.60/x
  3. Step 3: Cross multiply
    173,921.40x = 260,784.90 × 74,064.60
  4. Step 4: Simplify right side
    173,921.40x = 19,314,929,304.54
  5. Step 5: Solve for x
    x = 19,314,929,304.54/173,921.40
  6. Step 6: Final answer
    x = 111,055.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.