Home / 112,245.60-154,899.78-61,258.74

Finding the Fourth Proportional to 112,245.60, 154,899.78 and 61,258.74

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Solution

The fourth proportional to 112,245.60, 154,899.78 and 61,258.74 is: 84,537.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,245.60 : 154,899.78 = 61,258.74 : x
  2. Step 2: Convert to fraction form
    112,245.60/154,899.78 = 61,258.74/x
  3. Step 3: Cross multiply
    112,245.60x = 154,899.78 × 61,258.74
  4. Step 4: Simplify right side
    112,245.60x = 9,488,965,349.08
  5. Step 5: Solve for x
    x = 9,488,965,349.08/112,245.60
  6. Step 6: Final answer
    x = 84,537.53

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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.