Home / 193,409.45-266,900.82-107,363.41

Finding the Fourth Proportional to 193,409.45, 266,900.82 and 107,363.41

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Solution

The fourth proportional to 193,409.45, 266,900.82 and 107,363.41 is: 148,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,409.45 : 266,900.82 = 107,363.41 : x
  2. Step 2: Convert to fraction form
    193,409.45/266,900.82 = 107,363.41/x
  3. Step 3: Cross multiply
    193,409.45x = 266,900.82 × 107,363.41
  4. Step 4: Simplify right side
    193,409.45x = 28,655,381,701.05
  5. Step 5: Solve for x
    x = 28,655,381,701.05/193,409.45
  6. Step 6: Final answer
    x = 148,159.16

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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.