Home / 98,919.81-148,383.75-28,799.10

Finding the Fourth Proportional to 98,919.81, 148,383.75 and 28,799.10

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Solution

The fourth proportional to 98,919.81, 148,383.75 and 28,799.10 is: 43,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,919.81 : 148,383.75 = 28,799.10 : x
  2. Step 2: Convert to fraction form
    98,919.81/148,383.75 = 28,799.10/x
  3. Step 3: Cross multiply
    98,919.81x = 148,383.75 × 28,799.10
  4. Step 4: Simplify right side
    98,919.81x = 4,273,318,454.63
  5. Step 5: Solve for x
    x = 4,273,318,454.63/98,919.81
  6. Step 6: Final answer
    x = 43,199.82

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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.