Home / 239,077.83-329,927.40-131,647.60

Finding the Fourth Proportional to 239,077.83, 329,927.40 and 131,647.60

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Solution

The fourth proportional to 239,077.83, 329,927.40 and 131,647.60 is: 181,673.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,077.83 : 329,927.40 = 131,647.60 : x
  2. Step 2: Convert to fraction form
    239,077.83/329,927.40 = 131,647.60/x
  3. Step 3: Cross multiply
    239,077.83x = 329,927.40 × 131,647.60
  4. Step 4: Simplify right side
    239,077.83x = 43,434,152,094.83
  5. Step 5: Solve for x
    x = 43,434,152,094.83/239,077.83
  6. Step 6: Final answer
    x = 181,673.69

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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.