Home / 113,921.92-170,800.76-69,538.24

Finding the Fourth Proportional to 113,921.92, 170,800.76 and 69,538.24

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Solution

The fourth proportional to 113,921.92, 170,800.76 and 69,538.24 is: 104,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,921.92 : 170,800.76 = 69,538.24 : x
  2. Step 2: Convert to fraction form
    113,921.92/170,800.76 = 69,538.24/x
  3. Step 3: Cross multiply
    113,921.92x = 170,800.76 × 69,538.24
  4. Step 4: Simplify right side
    113,921.92x = 11,877,184,241.06
  5. Step 5: Solve for x
    x = 11,877,184,241.06/113,921.92
  6. Step 6: Final answer
    x = 104,257.23

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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.