Home / 155,456.54-214,525.14-87,477.38

Finding the Fourth Proportional to 155,456.54, 214,525.14 and 87,477.38

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Solution

The fourth proportional to 155,456.54, 214,525.14 and 87,477.38 is: 120,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,456.54 : 214,525.14 = 87,477.38 : x
  2. Step 2: Convert to fraction form
    155,456.54/214,525.14 = 87,477.38/x
  3. Step 3: Cross multiply
    155,456.54x = 214,525.14 × 87,477.38
  4. Step 4: Simplify right side
    155,456.54x = 18,766,097,191.33
  5. Step 5: Solve for x
    x = 18,766,097,191.33/155,456.54
  6. Step 6: Final answer
    x = 120,716.04

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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.