Home / 190,199.96-262,472.73-105,315.20

Finding the Fourth Proportional to 190,199.96, 262,472.73 and 105,315.20

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Solution

The fourth proportional to 190,199.96, 262,472.73 and 105,315.20 is: 145,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,199.96 : 262,472.73 = 105,315.20 : x
  2. Step 2: Convert to fraction form
    190,199.96/262,472.73 = 105,315.20/x
  3. Step 3: Cross multiply
    190,199.96x = 262,472.73 × 105,315.20
  4. Step 4: Simplify right side
    190,199.96x = 27,642,368,054.50
  5. Step 5: Solve for x
    x = 27,642,368,054.50/190,199.96
  6. Step 6: Final answer
    x = 145,333.20

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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.