Home / 137,455.63-189,693.44-131,157.07

Finding the Fourth Proportional to 137,455.63, 189,693.44 and 131,157.07

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Solution

The fourth proportional to 137,455.63, 189,693.44 and 131,157.07 is: 181,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,455.63 : 189,693.44 = 131,157.07 : x
  2. Step 2: Convert to fraction form
    137,455.63/189,693.44 = 131,157.07/x
  3. Step 3: Cross multiply
    137,455.63x = 189,693.44 × 131,157.07
  4. Step 4: Simplify right side
    137,455.63x = 24,879,635,788.62
  5. Step 5: Solve for x
    x = 24,879,635,788.62/137,455.63
  6. Step 6: Final answer
    x = 181,001.21

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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.