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Finding the Fourth Proportional to 113,463.60, 170,195.40 and 111,495.30

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Solution

The fourth proportional to 113,463.60, 170,195.40 and 111,495.30 is: 167,242.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,463.60 : 170,195.40 = 111,495.30 : x
  2. Step 2: Convert to fraction form
    113,463.60/170,195.40 = 111,495.30/x
  3. Step 3: Cross multiply
    113,463.60x = 170,195.40 × 111,495.30
  4. Step 4: Simplify right side
    113,463.60x = 18,975,987,181.62
  5. Step 5: Solve for x
    x = 18,975,987,181.62/113,463.60
  6. Step 6: Final answer
    x = 167,242.95

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1.5x scale

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.