Home / 203,898.15-281,401.50-123,370.08

Finding the Fourth Proportional to 203,898.15, 281,401.50 and 123,370.08

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Solution

The fourth proportional to 203,898.15, 281,401.50 and 123,370.08 is: 170,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,898.15 : 281,401.50 = 123,370.08 : x
  2. Step 2: Convert to fraction form
    203,898.15/281,401.50 = 123,370.08/x
  3. Step 3: Cross multiply
    203,898.15x = 281,401.50 × 123,370.08
  4. Step 4: Simplify right side
    203,898.15x = 34,716,525,567.12
  5. Step 5: Solve for x
    x = 34,716,525,567.12/203,898.15
  6. Step 6: Final answer
    x = 170,264.05

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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.