Home / 239,209.47-330,107.54-131,777.01

Finding the Fourth Proportional to 239,209.47, 330,107.54 and 131,777.01

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Solution

The fourth proportional to 239,209.47, 330,107.54 and 131,777.01 is: 181,851.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,209.47 : 330,107.54 = 131,777.01 : x
  2. Step 2: Convert to fraction form
    239,209.47/330,107.54 = 131,777.01/x
  3. Step 3: Cross multiply
    239,209.47x = 330,107.54 × 131,777.01
  4. Step 4: Simplify right side
    239,209.47x = 43,500,583,940.77
  5. Step 5: Solve for x
    x = 43,500,583,940.77/239,209.47
  6. Step 6: Final answer
    x = 181,851.43

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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.