Home / 155,371-214,428.45-94,977.00

Finding the Fourth Proportional to 155,371, 214,428.45 and 94,977.00

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Solution

The fourth proportional to 155,371, 214,428.45 and 94,977.00 is: 131,078.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,371 : 214,428.45 = 94,977.00 : x
  2. Step 2: Convert to fraction form
    155,371/214,428.45 = 94,977.00/x
  3. Step 3: Cross multiply
    155,371x = 214,428.45 × 94,977.00
  4. Step 4: Simplify right side
    155,371x = 20,365,769,348.62
  5. Step 5: Solve for x
    x = 20,365,769,348.62/155,371
  6. Step 6: Final answer
    x = 131,078.32

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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.