Home / 232,114.12-320,314.26-128,745.16

Finding the Fourth Proportional to 232,114.12, 320,314.26 and 128,745.16

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Solution

The fourth proportional to 232,114.12, 320,314.26 and 128,745.16 is: 177,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,114.12 : 320,314.26 = 128,745.16 : x
  2. Step 2: Convert to fraction form
    232,114.12/320,314.26 = 128,745.16/x
  3. Step 3: Cross multiply
    232,114.12x = 320,314.26 × 128,745.16
  4. Step 4: Simplify right side
    232,114.12x = 41,238,910,653.98
  5. Step 5: Solve for x
    x = 41,238,910,653.98/232,114.12
  6. Step 6: Final answer
    x = 177,666.53

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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.