Home / 113,518.53-170,015.31-109,581.93

Finding the Fourth Proportional to 113,518.53, 170,015.31 and 109,581.93

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Solution

The fourth proportional to 113,518.53, 170,015.31 and 109,581.93 is: 164,119.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,518.53 : 170,015.31 = 109,581.93 : x
  2. Step 2: Convert to fraction form
    113,518.53/170,015.31 = 109,581.93/x
  3. Step 3: Cross multiply
    113,518.53x = 170,015.31 × 109,581.93
  4. Step 4: Simplify right side
    113,518.53x = 18,630,605,799.35
  5. Step 5: Solve for x
    x = 18,630,605,799.35/113,518.53
  6. Step 6: Final answer
    x = 164,119.51

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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.