Home / 100,725.48-150,858.45-48,172.14

Finding the Fourth Proportional to 100,725.48, 150,858.45 and 48,172.14

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Solution

The fourth proportional to 100,725.48, 150,858.45 and 48,172.14 is: 72,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,725.48 : 150,858.45 = 48,172.14 : x
  2. Step 2: Convert to fraction form
    100,725.48/150,858.45 = 48,172.14/x
  3. Step 3: Cross multiply
    100,725.48x = 150,858.45 × 48,172.14
  4. Step 4: Simplify right side
    100,725.48x = 7,267,174,373.58
  5. Step 5: Solve for x
    x = 7,267,174,373.58/100,725.48
  6. Step 6: Final answer
    x = 72,148.32

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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.