Home / 160,181.73-240,709.08-85,355.34

Finding the Fourth Proportional to 160,181.73, 240,709.08 and 85,355.34

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Solution

The fourth proportional to 160,181.73, 240,709.08 and 85,355.34 is: 128,265.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,181.73 : 240,709.08 = 85,355.34 : x
  2. Step 2: Convert to fraction form
    160,181.73/240,709.08 = 85,355.34/x
  3. Step 3: Cross multiply
    160,181.73x = 240,709.08 × 85,355.34
  4. Step 4: Simplify right side
    160,181.73x = 20,545,806,452.80
  5. Step 5: Solve for x
    x = 20,545,806,452.80/160,181.73
  6. Step 6: Final answer
    x = 128,265.61

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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.