Home / 160,644.15-221,689.49-89,025.39

Finding the Fourth Proportional to 160,644.15, 221,689.49 and 89,025.39

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Solution

The fourth proportional to 160,644.15, 221,689.49 and 89,025.39 is: 122,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,644.15 : 221,689.49 = 89,025.39 : x
  2. Step 2: Convert to fraction form
    160,644.15/221,689.49 = 89,025.39/x
  3. Step 3: Cross multiply
    160,644.15x = 221,689.49 × 89,025.39
  4. Step 4: Simplify right side
    160,644.15x = 19,735,992,861.02
  5. Step 5: Solve for x
    x = 19,735,992,861.02/160,644.15
  6. Step 6: Final answer
    x = 122,855.35

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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.