Home / 190,692-263,154.96-105,822.72

Finding the Fourth Proportional to 190,692, 263,154.96 and 105,822.72

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Solution

The fourth proportional to 190,692, 263,154.96 and 105,822.72 is: 146,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,692 : 263,154.96 = 105,822.72 : x
  2. Step 2: Convert to fraction form
    190,692/263,154.96 = 105,822.72/x
  3. Step 3: Cross multiply
    190,692x = 263,154.96 × 105,822.72
  4. Step 4: Simplify right side
    190,692x = 27,847,773,648.69
  5. Step 5: Solve for x
    x = 27,847,773,648.69/190,692
  6. Step 6: Final answer
    x = 146,035.35

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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.