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Finding the Fourth Proportional to 144,410.70, 199,347.40 and 87,841.74

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Solution

The fourth proportional to 144,410.70, 199,347.40 and 87,841.74 is: 121,258.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,410.70 : 199,347.40 = 87,841.74 : x
  2. Step 2: Convert to fraction form
    144,410.70/199,347.40 = 87,841.74/x
  3. Step 3: Cross multiply
    144,410.70x = 199,347.40 × 87,841.74
  4. Step 4: Simplify right side
    144,410.70x = 17,511,022,480.48
  5. Step 5: Solve for x
    x = 17,511,022,480.48/144,410.70
  6. Step 6: Final answer
    x = 121,258.48

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1.5x scale

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.