Home / 120,187.80-180,311.22-41,303.16

Finding the Fourth Proportional to 120,187.80, 180,311.22 and 41,303.16

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Solution

The fourth proportional to 120,187.80, 180,311.22 and 41,303.16 is: 61,964.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,187.80 : 180,311.22 = 41,303.16 : x
  2. Step 2: Convert to fraction form
    120,187.80/180,311.22 = 41,303.16/x
  3. Step 3: Cross multiply
    120,187.80x = 180,311.22 × 41,303.16
  4. Step 4: Simplify right side
    120,187.80x = 7,447,423,169.46
  5. Step 5: Solve for x
    x = 7,447,423,169.46/120,187.80
  6. Step 6: Final answer
    x = 61,964.88

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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.