Home / 89,339.40-134,009.42-30,175.60

Finding the Fourth Proportional to 89,339.40, 134,009.42 and 30,175.60

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Solution

The fourth proportional to 89,339.40, 134,009.42 and 30,175.60 is: 45,263.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,339.40 : 134,009.42 = 30,175.60 : x
  2. Step 2: Convert to fraction form
    89,339.40/134,009.42 = 30,175.60/x
  3. Step 3: Cross multiply
    89,339.40x = 134,009.42 × 30,175.60
  4. Step 4: Simplify right side
    89,339.40x = 4,043,814,654.15
  5. Step 5: Solve for x
    x = 4,043,814,654.15/89,339.40
  6. Step 6: Final answer
    x = 45,263.51

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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.