Home / 115,130.06-172,680.96-30,896.84

Finding the Fourth Proportional to 115,130.06, 172,680.96 and 30,896.84

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Solution

The fourth proportional to 115,130.06, 172,680.96 and 30,896.84 is: 46,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,130.06 : 172,680.96 = 30,896.84 : x
  2. Step 2: Convert to fraction form
    115,130.06/172,680.96 = 30,896.84/x
  3. Step 3: Cross multiply
    115,130.06x = 172,680.96 × 30,896.84
  4. Step 4: Simplify right side
    115,130.06x = 5,335,296,539.73
  5. Step 5: Solve for x
    x = 5,335,296,539.73/115,130.06
  6. Step 6: Final answer
    x = 46,341.47

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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.