Home / 154,258.64-231,389.88-49,077.20

Finding the Fourth Proportional to 154,258.64, 231,389.88 and 49,077.20

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Solution

The fourth proportional to 154,258.64, 231,389.88 and 49,077.20 is: 73,616.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,258.64 : 231,389.88 = 49,077.20 : x
  2. Step 2: Convert to fraction form
    154,258.64/231,389.88 = 49,077.20/x
  3. Step 3: Cross multiply
    154,258.64x = 231,389.88 × 49,077.20
  4. Step 4: Simplify right side
    154,258.64x = 11,355,967,418.74
  5. Step 5: Solve for x
    x = 11,355,967,418.74/154,258.64
  6. Step 6: Final answer
    x = 73,616.41

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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.