Home / 99,869.69-149,799.44-36,684.97

Finding the Fourth Proportional to 99,869.69, 149,799.44 and 36,684.97

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Solution

The fourth proportional to 99,869.69, 149,799.44 and 36,684.97 is: 55,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,869.69 : 149,799.44 = 36,684.97 : x
  2. Step 2: Convert to fraction form
    99,869.69/149,799.44 = 36,684.97/x
  3. Step 3: Cross multiply
    99,869.69x = 149,799.44 × 36,684.97
  4. Step 4: Simplify right side
    99,869.69x = 5,495,387,679.63
  5. Step 5: Solve for x
    x = 5,495,387,679.63/99,869.69
  6. Step 6: Final answer
    x = 55,025.58

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1.5x scale

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.