Home / 160,521.50-221,520.41-88,900.02

Finding the Fourth Proportional to 160,521.50, 221,520.41 and 88,900.02

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Solution

The fourth proportional to 160,521.50, 221,520.41 and 88,900.02 is: 122,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,521.50 : 221,520.41 = 88,900.02 : x
  2. Step 2: Convert to fraction form
    160,521.50/221,520.41 = 88,900.02/x
  3. Step 3: Cross multiply
    160,521.50x = 221,520.41 × 88,900.02
  4. Step 4: Simplify right side
    160,521.50x = 19,693,168,879.41
  5. Step 5: Solve for x
    x = 19,693,168,879.41/160,521.50
  6. Step 6: Final answer
    x = 122,682.44

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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.