Home / 189,125.48-260,994.98-104,245.80

Finding the Fourth Proportional to 189,125.48, 260,994.98 and 104,245.80

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Solution

The fourth proportional to 189,125.48, 260,994.98 and 104,245.80 is: 143,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,125.48 : 260,994.98 = 104,245.80 : x
  2. Step 2: Convert to fraction form
    189,125.48/260,994.98 = 104,245.80/x
  3. Step 3: Cross multiply
    189,125.48x = 260,994.98 × 104,245.80
  4. Step 4: Simplify right side
    189,125.48x = 27,207,630,486.08
  5. Step 5: Solve for x
    x = 27,207,630,486.08/189,125.48
  6. Step 6: Final answer
    x = 143,860.21

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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.