Home / 196,022.34-270,522.63-115,503.57

Finding the Fourth Proportional to 196,022.34, 270,522.63 and 115,503.57

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Solution

The fourth proportional to 196,022.34, 270,522.63 and 115,503.57 is: 159,401.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,022.34 : 270,522.63 = 115,503.57 : x
  2. Step 2: Convert to fraction form
    196,022.34/270,522.63 = 115,503.57/x
  3. Step 3: Cross multiply
    196,022.34x = 270,522.63 × 115,503.57
  4. Step 4: Simplify right side
    196,022.34x = 31,246,329,530.79
  5. Step 5: Solve for x
    x = 31,246,329,530.79/196,022.34
  6. Step 6: Final answer
    x = 159,401.88

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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.