Home / 214,143.40-321,034.47-135,083.35

Finding the Fourth Proportional to 214,143.40, 321,034.47 and 135,083.35

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Solution

The fourth proportional to 214,143.40, 321,034.47 and 135,083.35 is: 202,511.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,143.40 : 321,034.47 = 135,083.35 : x
  2. Step 2: Convert to fraction form
    214,143.40/321,034.47 = 135,083.35/x
  3. Step 3: Cross multiply
    214,143.40x = 321,034.47 × 135,083.35
  4. Step 4: Simplify right side
    214,143.40x = 43,366,411,673.07
  5. Step 5: Solve for x
    x = 43,366,411,673.07/214,143.40
  6. Step 6: Final answer
    x = 202,511.08

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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.