Home / 189,563.31-284,345.78-49,311.81

Finding the Fourth Proportional to 189,563.31, 284,345.78 and 49,311.81

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Solution

The fourth proportional to 189,563.31, 284,345.78 and 49,311.81 is: 73,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,563.31 : 284,345.78 = 49,311.81 : x
  2. Step 2: Convert to fraction form
    189,563.31/284,345.78 = 49,311.81/x
  3. Step 3: Cross multiply
    189,563.31x = 284,345.78 × 49,311.81
  4. Step 4: Simplify right side
    189,563.31x = 14,021,604,831.10
  5. Step 5: Solve for x
    x = 14,021,604,831.10/189,563.31
  6. Step 6: Final answer
    x = 73,967.93

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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.