Home / 190,149.28-262,408.08-105,267.84

Finding the Fourth Proportional to 190,149.28, 262,408.08 and 105,267.84

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Solution

The fourth proportional to 190,149.28, 262,408.08 and 105,267.84 is: 145,270.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,149.28 : 262,408.08 = 105,267.84 : x
  2. Step 2: Convert to fraction form
    190,149.28/262,408.08 = 105,267.84/x
  3. Step 3: Cross multiply
    190,149.28x = 262,408.08 × 105,267.84
  4. Step 4: Simplify right side
    190,149.28x = 27,623,131,780.15
  5. Step 5: Solve for x
    x = 27,623,131,780.15/190,149.28
  6. Step 6: Final answer
    x = 145,270.77

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1.5x scale

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.