Home / 193,486.47-290,312.87-100,057.83

Finding the Fourth Proportional to 193,486.47, 290,312.87 and 100,057.83

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Solution

The fourth proportional to 193,486.47, 290,312.87 and 100,057.83 is: 150,129.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,486.47 : 290,312.87 = 100,057.83 : x
  2. Step 2: Convert to fraction form
    193,486.47/290,312.87 = 100,057.83/x
  3. Step 3: Cross multiply
    193,486.47x = 290,312.87 × 100,057.83
  4. Step 4: Simplify right side
    193,486.47x = 29,048,075,292.98
  5. Step 5: Solve for x
    x = 29,048,075,292.98/193,486.47
  6. Step 6: Final answer
    x = 150,129.75

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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.