Home / 239,181.75-330,070.83-131,751.45

Finding the Fourth Proportional to 239,181.75, 330,070.83 and 131,751.45

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Solution

The fourth proportional to 239,181.75, 330,070.83 and 131,751.45 is: 181,817.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,181.75 : 330,070.83 = 131,751.45 : x
  2. Step 2: Convert to fraction form
    239,181.75/330,070.83 = 131,751.45/x
  3. Step 3: Cross multiply
    239,181.75x = 330,070.83 × 131,751.45
  4. Step 4: Simplify right side
    239,181.75x = 43,487,310,455.20
  5. Step 5: Solve for x
    x = 43,487,310,455.20/239,181.75
  6. Step 6: Final answer
    x = 181,817.01

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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.