Home / 103,705.44-155,523.57-40,509.18

Finding the Fourth Proportional to 103,705.44, 155,523.57 and 40,509.18

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Solution

The fourth proportional to 103,705.44, 155,523.57 and 40,509.18 is: 60,750.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,705.44 : 155,523.57 = 40,509.18 : x
  2. Step 2: Convert to fraction form
    103,705.44/155,523.57 = 40,509.18/x
  3. Step 3: Cross multiply
    103,705.44x = 155,523.57 × 40,509.18
  4. Step 4: Simplify right side
    103,705.44x = 6,300,132,291.37
  5. Step 5: Solve for x
    x = 6,300,132,291.37/103,705.44
  6. Step 6: Final answer
    x = 60,750.26

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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.