Home / 210,933.86-316,619.48-141,299.78

Finding the Fourth Proportional to 210,933.86, 316,619.48 and 141,299.78

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Solution

The fourth proportional to 210,933.86, 316,619.48 and 141,299.78 is: 212,096.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,933.86 : 316,619.48 = 141,299.78 : x
  2. Step 2: Convert to fraction form
    210,933.86/316,619.48 = 141,299.78/x
  3. Step 3: Cross multiply
    210,933.86x = 316,619.48 × 141,299.78
  4. Step 4: Simplify right side
    210,933.86x = 44,738,261,637.87
  5. Step 5: Solve for x
    x = 44,738,261,637.87/210,933.86
  6. Step 6: Final answer
    x = 212,096.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.