Home / 150,401.78-207,554.49-89,974.94

Finding the Fourth Proportional to 150,401.78, 207,554.49 and 89,974.94

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Solution

The fourth proportional to 150,401.78, 207,554.49 and 89,974.94 is: 124,165.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,401.78 : 207,554.49 = 89,974.94 : x
  2. Step 2: Convert to fraction form
    150,401.78/207,554.49 = 89,974.94/x
  3. Step 3: Cross multiply
    150,401.78x = 207,554.49 × 89,974.94
  4. Step 4: Simplify right side
    150,401.78x = 18,674,702,784.48
  5. Step 5: Solve for x
    x = 18,674,702,784.48/150,401.78
  6. Step 6: Final answer
    x = 124,165.44

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1.5x scale

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.