Home / 189,154.20-261,031.44-104,271.12

Finding the Fourth Proportional to 189,154.20, 261,031.44 and 104,271.12

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Solution

The fourth proportional to 189,154.20, 261,031.44 and 104,271.12 is: 143,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,154.20 : 261,031.44 = 104,271.12 : x
  2. Step 2: Convert to fraction form
    189,154.20/261,031.44 = 104,271.12/x
  3. Step 3: Cross multiply
    189,154.20x = 261,031.44 × 104,271.12
  4. Step 4: Simplify right side
    189,154.20x = 27,218,040,604.01
  5. Step 5: Solve for x
    x = 27,218,040,604.01/189,154.20
  6. Step 6: Final answer
    x = 143,893.40

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1.5x scale

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.