Home / 189,422.57-261,401.94-104,539.64

Finding the Fourth Proportional to 189,422.57, 261,401.94 and 104,539.64

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Solution

The fourth proportional to 189,422.57, 261,401.94 and 104,539.64 is: 144,264.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,422.57 : 261,401.94 = 104,539.64 : x
  2. Step 2: Convert to fraction form
    189,422.57/261,401.94 = 104,539.64/x
  3. Step 3: Cross multiply
    189,422.57x = 261,401.94 × 104,539.64
  4. Step 4: Simplify right side
    189,422.57x = 27,326,864,702.90
  5. Step 5: Solve for x
    x = 27,326,864,702.90/189,422.57
  6. Step 6: Final answer
    x = 144,264.04

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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.