Home / 120,172.77-180,263.34-41,286.42

Finding the Fourth Proportional to 120,172.77, 180,263.34 and 41,286.42

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Solution

The fourth proportional to 120,172.77, 180,263.34 and 41,286.42 is: 61,931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,172.77 : 180,263.34 = 41,286.42 : x
  2. Step 2: Convert to fraction form
    120,172.77/180,263.34 = 41,286.42/x
  3. Step 3: Cross multiply
    120,172.77x = 180,263.34 × 41,286.42
  4. Step 4: Simplify right side
    120,172.77x = 7,442,427,965.84
  5. Step 5: Solve for x
    x = 7,442,427,965.84/120,172.77
  6. Step 6: Final answer
    x = 61,931.07

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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.