Home / 117,419.21-175,907.37-90,994.77

Finding the Fourth Proportional to 117,419.21, 175,907.37 and 90,994.77

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Solution

The fourth proportional to 117,419.21, 175,907.37 and 90,994.77 is: 136,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,419.21 : 175,907.37 = 90,994.77 : x
  2. Step 2: Convert to fraction form
    117,419.21/175,907.37 = 90,994.77/x
  3. Step 3: Cross multiply
    117,419.21x = 175,907.37 × 90,994.77
  4. Step 4: Simplify right side
    117,419.21x = 16,006,650,674.45
  5. Step 5: Solve for x
    x = 16,006,650,674.45/117,419.21
  6. Step 6: Final answer
    x = 136,320.55

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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.