Home / 172,851.55-238,450.36-115,504.95

Finding the Fourth Proportional to 172,851.55, 238,450.36 and 115,504.95

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Solution

The fourth proportional to 172,851.55, 238,450.36 and 115,504.95 is: 159,340.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,851.55 : 238,450.36 = 115,504.95 : x
  2. Step 2: Convert to fraction form
    172,851.55/238,450.36 = 115,504.95/x
  3. Step 3: Cross multiply
    172,851.55x = 238,450.36 × 115,504.95
  4. Step 4: Simplify right side
    172,851.55x = 27,542,197,406.42
  5. Step 5: Solve for x
    x = 27,542,197,406.42/172,851.55
  6. Step 6: Final answer
    x = 159,340.18

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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.