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Finding the Fourth Proportional to 113,605.14, 170,401.48 and 34,719.32

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Solution

The fourth proportional to 113,605.14, 170,401.48 and 34,719.32 is: 52,077.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,605.14 : 170,401.48 = 34,719.32 : x
  2. Step 2: Convert to fraction form
    113,605.14/170,401.48 = 34,719.32/x
  3. Step 3: Cross multiply
    113,605.14x = 170,401.48 × 34,719.32
  4. Step 4: Simplify right side
    113,605.14x = 5,916,223,512.59
  5. Step 5: Solve for x
    x = 5,916,223,512.59/113,605.14
  6. Step 6: Final answer
    x = 52,077.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.