Home / 103,803.16-155,626.28-43,850.20

Finding the Fourth Proportional to 103,803.16, 155,626.28 and 43,850.20

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Solution

The fourth proportional to 103,803.16, 155,626.28 and 43,850.20 is: 65,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,803.16 : 155,626.28 = 43,850.20 : x
  2. Step 2: Convert to fraction form
    103,803.16/155,626.28 = 43,850.20/x
  3. Step 3: Cross multiply
    103,803.16x = 155,626.28 × 43,850.20
  4. Step 4: Simplify right side
    103,803.16x = 6,824,243,503.26
  5. Step 5: Solve for x
    x = 6,824,243,503.26/103,803.16
  6. Step 6: Final answer
    x = 65,742.16

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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.