Home / 190,162.49-262,437.57-105,285.02

Finding the Fourth Proportional to 190,162.49, 262,437.57 and 105,285.02

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Solution

The fourth proportional to 190,162.49, 262,437.57 and 105,285.02 is: 145,300.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,162.49 : 262,437.57 = 105,285.02 : x
  2. Step 2: Convert to fraction form
    190,162.49/262,437.57 = 105,285.02/x
  3. Step 3: Cross multiply
    190,162.49x = 262,437.57 × 105,285.02
  4. Step 4: Simplify right side
    190,162.49x = 27,630,743,494.01
  5. Step 5: Solve for x
    x = 27,630,743,494.01/190,162.49
  6. Step 6: Final answer
    x = 145,300.71

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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.