Home / 190,318.48-262,620.72-108,647.76

Finding the Fourth Proportional to 190,318.48, 262,620.72 and 108,647.76

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Solution

The fourth proportional to 190,318.48, 262,620.72 and 108,647.76 is: 149,923.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,318.48 : 262,620.72 = 108,647.76 : x
  2. Step 2: Convert to fraction form
    190,318.48/262,620.72 = 108,647.76/x
  3. Step 3: Cross multiply
    190,318.48x = 262,620.72 × 108,647.76
  4. Step 4: Simplify right side
    190,318.48x = 28,533,152,957.59
  5. Step 5: Solve for x
    x = 28,533,152,957.59/190,318.48
  6. Step 6: Final answer
    x = 149,923.19

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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.