Home / 210,401.45-290,354.33-119,757.42

Finding the Fourth Proportional to 210,401.45, 290,354.33 and 119,757.42

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Solution

The fourth proportional to 210,401.45, 290,354.33 and 119,757.42 is: 165,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,401.45 : 290,354.33 = 119,757.42 : x
  2. Step 2: Convert to fraction form
    210,401.45/290,354.33 = 119,757.42/x
  3. Step 3: Cross multiply
    210,401.45x = 290,354.33 × 119,757.42
  4. Step 4: Simplify right side
    210,401.45x = 34,772,083,396.07
  5. Step 5: Solve for x
    x = 34,772,083,396.07/210,401.45
  6. Step 6: Final answer
    x = 165,265.42

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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.