Home / 109,298.68-164,015.94-98,781.40

Finding the Fourth Proportional to 109,298.68, 164,015.94 and 98,781.40

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Solution

The fourth proportional to 109,298.68, 164,015.94 and 98,781.40 is: 148,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,298.68 : 164,015.94 = 98,781.40 : x
  2. Step 2: Convert to fraction form
    109,298.68/164,015.94 = 98,781.40/x
  3. Step 3: Cross multiply
    109,298.68x = 164,015.94 × 98,781.40
  4. Step 4: Simplify right side
    109,298.68x = 16,201,724,175.52
  5. Step 5: Solve for x
    x = 16,201,724,175.52/109,298.68
  6. Step 6: Final answer
    x = 148,233.48

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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.