Home / 188,943.74-260,690.70-131,518.59

Finding the Fourth Proportional to 188,943.74, 260,690.70 and 131,518.59

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Solution

The fourth proportional to 188,943.74, 260,690.70 and 131,518.59 is: 181,459.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,943.74 : 260,690.70 = 131,518.59 : x
  2. Step 2: Convert to fraction form
    188,943.74/260,690.70 = 131,518.59/x
  3. Step 3: Cross multiply
    188,943.74x = 260,690.70 × 131,518.59
  4. Step 4: Simplify right side
    188,943.74x = 34,285,672,805.72
  5. Step 5: Solve for x
    x = 34,285,672,805.72/188,943.74
  6. Step 6: Final answer
    x = 181,459.69

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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.