Home / 160,326.85-221,247.63-87,729.44

Finding the Fourth Proportional to 160,326.85, 221,247.63 and 87,729.44

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Solution

The fourth proportional to 160,326.85, 221,247.63 and 87,729.44 is: 121,064.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,326.85 : 221,247.63 = 87,729.44 : x
  2. Step 2: Convert to fraction form
    160,326.85/221,247.63 = 87,729.44/x
  3. Step 3: Cross multiply
    160,326.85x = 221,247.63 × 87,729.44
  4. Step 4: Simplify right side
    160,326.85x = 19,409,930,505.67
  5. Step 5: Solve for x
    x = 19,409,930,505.67/160,326.85
  6. Step 6: Final answer
    x = 121,064.76

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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.