Home / 89,419.40-134,128.20-36,110.48

Finding the Fourth Proportional to 89,419.40, 134,128.20 and 36,110.48

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Solution

The fourth proportional to 89,419.40, 134,128.20 and 36,110.48 is: 54,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,419.40 : 134,128.20 = 36,110.48 : x
  2. Step 2: Convert to fraction form
    89,419.40/134,128.20 = 36,110.48/x
  3. Step 3: Cross multiply
    89,419.40x = 134,128.20 × 36,110.48
  4. Step 4: Simplify right side
    89,419.40x = 4,843,433,683.54
  5. Step 5: Solve for x
    x = 4,843,433,683.54/89,419.40
  6. Step 6: Final answer
    x = 54,165.36

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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.