Home / 232,840.56-321,346.61-129,485.07

Finding the Fourth Proportional to 232,840.56, 321,346.61 and 129,485.07

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Solution

The fourth proportional to 232,840.56, 321,346.61 and 129,485.07 is: 178,704.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,840.56 : 321,346.61 = 129,485.07 : x
  2. Step 2: Convert to fraction form
    232,840.56/321,346.61 = 129,485.07/x
  3. Step 3: Cross multiply
    232,840.56x = 321,346.61 × 129,485.07
  4. Step 4: Simplify right side
    232,840.56x = 41,609,588,128.26
  5. Step 5: Solve for x
    x = 41,609,588,128.26/232,840.56
  6. Step 6: Final answer
    x = 178,704.21

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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.