Home / 132,994.17-199,584.81-120,289.32

Finding the Fourth Proportional to 132,994.17, 199,584.81 and 120,289.32

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Solution

The fourth proportional to 132,994.17, 199,584.81 and 120,289.32 is: 180,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,994.17 : 199,584.81 = 120,289.32 : x
  2. Step 2: Convert to fraction form
    132,994.17/199,584.81 = 120,289.32/x
  3. Step 3: Cross multiply
    132,994.17x = 199,584.81 × 120,289.32
  4. Step 4: Simplify right side
    132,994.17x = 24,007,921,077.23
  5. Step 5: Solve for x
    x = 24,007,921,077.23/132,994.17
  6. Step 6: Final answer
    x = 180,518.60

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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.