Home / 104,625.42-156,936.78-25,740.34

Finding the Fourth Proportional to 104,625.42, 156,936.78 and 25,740.34

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Solution

The fourth proportional to 104,625.42, 156,936.78 and 25,740.34 is: 38,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,625.42 : 156,936.78 = 25,740.34 : x
  2. Step 2: Convert to fraction form
    104,625.42/156,936.78 = 25,740.34/x
  3. Step 3: Cross multiply
    104,625.42x = 156,936.78 × 25,740.34
  4. Step 4: Simplify right side
    104,625.42x = 4,039,606,075.71
  5. Step 5: Solve for x
    x = 4,039,606,075.71/104,625.42
  6. Step 6: Final answer
    x = 38,610.18

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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.