Home / 214,114.86-321,177.48-71,962.20

Finding the Fourth Proportional to 214,114.86, 321,177.48 and 71,962.20

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Solution

The fourth proportional to 214,114.86, 321,177.48 and 71,962.20 is: 107,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,114.86 : 321,177.48 = 71,962.20 : x
  2. Step 2: Convert to fraction form
    214,114.86/321,177.48 = 71,962.20/x
  3. Step 3: Cross multiply
    214,114.86x = 321,177.48 × 71,962.20
  4. Step 4: Simplify right side
    214,114.86x = 23,112,638,051.26
  5. Step 5: Solve for x
    x = 23,112,638,051.26/214,114.86
  6. Step 6: Final answer
    x = 107,945.04

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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.