Home / 155,128.44-214,071.54-94,800.04

Finding the Fourth Proportional to 155,128.44, 214,071.54 and 94,800.04

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Solution

The fourth proportional to 155,128.44, 214,071.54 and 94,800.04 is: 130,820.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,128.44 : 214,071.54 = 94,800.04 : x
  2. Step 2: Convert to fraction form
    155,128.44/214,071.54 = 94,800.04/x
  3. Step 3: Cross multiply
    155,128.44x = 214,071.54 × 94,800.04
  4. Step 4: Simplify right side
    155,128.44x = 20,293,990,554.86
  5. Step 5: Solve for x
    x = 20,293,990,554.86/155,128.44
  6. Step 6: Final answer
    x = 130,820.57

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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.