Home / 171,351.08-236,436.28-107,643.76

Finding the Fourth Proportional to 171,351.08, 236,436.28 and 107,643.76

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Solution

The fourth proportional to 171,351.08, 236,436.28 and 107,643.76 is: 148,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,351.08 : 236,436.28 = 107,643.76 : x
  2. Step 2: Convert to fraction form
    171,351.08/236,436.28 = 107,643.76/x
  3. Step 3: Cross multiply
    171,351.08x = 236,436.28 × 107,643.76
  4. Step 4: Simplify right side
    171,351.08x = 25,450,890,179.61
  5. Step 5: Solve for x
    x = 25,450,890,179.61/171,351.08
  6. Step 6: Final answer
    x = 148,530.67

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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.