Home / 103,085.28-154,662.48-43,895.52

Finding the Fourth Proportional to 103,085.28, 154,662.48 and 43,895.52

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Solution

The fourth proportional to 103,085.28, 154,662.48 and 43,895.52 is: 65,858.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,085.28 : 154,662.48 = 43,895.52 : x
  2. Step 2: Convert to fraction form
    103,085.28/154,662.48 = 43,895.52/x
  3. Step 3: Cross multiply
    103,085.28x = 154,662.48 × 43,895.52
  4. Step 4: Simplify right side
    103,085.28x = 6,788,989,984.09
  5. Step 5: Solve for x
    x = 6,788,989,984.09/103,085.28
  6. Step 6: Final answer
    x = 65,858.00

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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.