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Finding the Fourth Proportional to 185,258.54, 255,661.59 and 113,597.30

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Solution

The fourth proportional to 185,258.54, 255,661.59 and 113,597.30 is: 156,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,258.54 : 255,661.59 = 113,597.30 : x
  2. Step 2: Convert to fraction form
    185,258.54/255,661.59 = 113,597.30/x
  3. Step 3: Cross multiply
    185,258.54x = 255,661.59 × 113,597.30
  4. Step 4: Simplify right side
    185,258.54x = 29,042,466,337.71
  5. Step 5: Solve for x
    x = 29,042,466,337.71/185,258.54
  6. Step 6: Final answer
    x = 156,767.22

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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.