Home / 239,130.96-330,003.08-131,704.30

Finding the Fourth Proportional to 239,130.96, 330,003.08 and 131,704.30

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Solution

The fourth proportional to 239,130.96, 330,003.08 and 131,704.30 is: 181,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,130.96 : 330,003.08 = 131,704.30 : x
  2. Step 2: Convert to fraction form
    239,130.96/330,003.08 = 131,704.30/x
  3. Step 3: Cross multiply
    239,130.96x = 330,003.08 × 131,704.30
  4. Step 4: Simplify right side
    239,130.96x = 43,462,824,649.24
  5. Step 5: Solve for x
    x = 43,462,824,649.24/239,130.96
  6. Step 6: Final answer
    x = 181,753.23

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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.