Home / 189,559.64-261,650.20-116,984.72

Finding the Fourth Proportional to 189,559.64, 261,650.20 and 116,984.72

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Solution

The fourth proportional to 189,559.64, 261,650.20 and 116,984.72 is: 161,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,559.64 : 261,650.20 = 116,984.72 : x
  2. Step 2: Convert to fraction form
    189,559.64/261,650.20 = 116,984.72/x
  3. Step 3: Cross multiply
    189,559.64x = 261,650.20 × 116,984.72
  4. Step 4: Simplify right side
    189,559.64x = 30,609,075,384.94
  5. Step 5: Solve for x
    x = 30,609,075,384.94/189,559.64
  6. Step 6: Final answer
    x = 161,474.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.