Home / 190,209.96-262,490.09-102,996.05

Finding the Fourth Proportional to 190,209.96, 262,490.09 and 102,996.05

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Solution

The fourth proportional to 190,209.96, 262,490.09 and 102,996.05 is: 142,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,209.96 : 262,490.09 = 102,996.05 : x
  2. Step 2: Convert to fraction form
    190,209.96/262,490.09 = 102,996.05/x
  3. Step 3: Cross multiply
    190,209.96x = 262,490.09 × 102,996.05
  4. Step 4: Simplify right side
    190,209.96x = 27,035,440,606.71
  5. Step 5: Solve for x
    x = 27,035,440,606.71/190,209.96
  6. Step 6: Final answer
    x = 142,134.73

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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.