Home / 153,825.60-230,738.40-122,721.60

Finding the Fourth Proportional to 153,825.60, 230,738.40 and 122,721.60

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Solution

The fourth proportional to 153,825.60, 230,738.40 and 122,721.60 is: 184,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,825.60 : 230,738.40 = 122,721.60 : x
  2. Step 2: Convert to fraction form
    153,825.60/230,738.40 = 122,721.60/x
  3. Step 3: Cross multiply
    153,825.60x = 230,738.40 × 122,721.60
  4. Step 4: Simplify right side
    153,825.60x = 28,316,585,629.44
  5. Step 5: Solve for x
    x = 28,316,585,629.44/153,825.60
  6. Step 6: Final answer
    x = 184,082.40

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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.