Home / 214,619.80-296,188.78-119,128.10

Finding the Fourth Proportional to 214,619.80, 296,188.78 and 119,128.10

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Solution

The fourth proportional to 214,619.80, 296,188.78 and 119,128.10 is: 164,404.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,619.80 : 296,188.78 = 119,128.10 : x
  2. Step 2: Convert to fraction form
    214,619.80/296,188.78 = 119,128.10/x
  3. Step 3: Cross multiply
    214,619.80x = 296,188.78 × 119,128.10
  4. Step 4: Simplify right side
    214,619.80x = 35,284,406,602.72
  5. Step 5: Solve for x
    x = 35,284,406,602.72/214,619.80
  6. Step 6: Final answer
    x = 164,404.25

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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.