Home / 160,765.72-221,859.06-88,175.56

Finding the Fourth Proportional to 160,765.72, 221,859.06 and 88,175.56

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Solution

The fourth proportional to 160,765.72, 221,859.06 and 88,175.56 is: 121,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,765.72 : 221,859.06 = 88,175.56 : x
  2. Step 2: Convert to fraction form
    160,765.72/221,859.06 = 88,175.56/x
  3. Step 3: Cross multiply
    160,765.72x = 221,859.06 × 88,175.56
  4. Step 4: Simplify right side
    160,765.72x = 19,562,546,856.57
  5. Step 5: Solve for x
    x = 19,562,546,856.57/160,765.72
  6. Step 6: Final answer
    x = 121,683.57

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1.5x scale

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.