Home / 190,931.28-263,494.48-106,046.52

Finding the Fourth Proportional to 190,931.28, 263,494.48 and 106,046.52

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Solution

The fourth proportional to 190,931.28, 263,494.48 and 106,046.52 is: 146,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,931.28 : 263,494.48 = 106,046.52 : x
  2. Step 2: Convert to fraction form
    190,931.28/263,494.48 = 106,046.52/x
  3. Step 3: Cross multiply
    190,931.28x = 263,494.48 × 106,046.52
  4. Step 4: Simplify right side
    190,931.28x = 27,942,672,643.21
  5. Step 5: Solve for x
    x = 27,942,672,643.21/190,931.28
  6. Step 6: Final answer
    x = 146,349.37

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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.