Home / 189,605.21-284,388.98-49,363.83

Finding the Fourth Proportional to 189,605.21, 284,388.98 and 49,363.83

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Solution

The fourth proportional to 189,605.21, 284,388.98 and 49,363.83 is: 74,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,605.21 : 284,388.98 = 49,363.83 : x
  2. Step 2: Convert to fraction form
    189,605.21/284,388.98 = 49,363.83/x
  3. Step 3: Cross multiply
    189,605.21x = 284,388.98 × 49,363.83
  4. Step 4: Simplify right side
    189,605.21x = 14,038,529,015.77
  5. Step 5: Solve for x
    x = 14,038,529,015.77/189,605.21
  6. Step 6: Final answer
    x = 74,040.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.