Home / 155,504.08-214,596.54-87,522.40

Finding the Fourth Proportional to 155,504.08, 214,596.54 and 87,522.40

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Solution

The fourth proportional to 155,504.08, 214,596.54 and 87,522.40 is: 120,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,504.08 : 214,596.54 = 87,522.40 : x
  2. Step 2: Convert to fraction form
    155,504.08/214,596.54 = 87,522.40/x
  3. Step 3: Cross multiply
    155,504.08x = 214,596.54 × 87,522.40
  4. Step 4: Simplify right side
    155,504.08x = 18,782,004,212.50
  5. Step 5: Solve for x
    x = 18,782,004,212.50/155,504.08
  6. Step 6: Final answer
    x = 120,781.42

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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.