Home / 103,638.30-155,457.09-44,435.58

Finding the Fourth Proportional to 103,638.30, 155,457.09 and 44,435.58

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Solution

The fourth proportional to 103,638.30, 155,457.09 and 44,435.58 is: 66,653.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,638.30 : 155,457.09 = 44,435.58 : x
  2. Step 2: Convert to fraction form
    103,638.30/155,457.09 = 44,435.58/x
  3. Step 3: Cross multiply
    103,638.30x = 155,457.09 × 44,435.58
  4. Step 4: Simplify right side
    103,638.30x = 6,907,825,959.26
  5. Step 5: Solve for x
    x = 6,907,825,959.26/103,638.30
  6. Step 6: Final answer
    x = 66,653.22

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1.5x scale

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.