Home / 204,378.75-306,579.06-64,148.31

Finding the Fourth Proportional to 204,378.75, 306,579.06 and 64,148.31

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Solution

The fourth proportional to 204,378.75, 306,579.06 and 64,148.31 is: 96,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,378.75 : 306,579.06 = 64,148.31 : x
  2. Step 2: Convert to fraction form
    204,378.75/306,579.06 = 64,148.31/x
  3. Step 3: Cross multiply
    204,378.75x = 306,579.06 × 64,148.31
  4. Step 4: Simplify right side
    204,378.75x = 19,666,528,580.39
  5. Step 5: Solve for x
    x = 19,666,528,580.39/204,378.75
  6. Step 6: Final answer
    x = 96,225.90

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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.