Home / 103,627.21-155,337-43,670.16

Finding the Fourth Proportional to 103,627.21, 155,337 and 43,670.16

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Solution

The fourth proportional to 103,627.21, 155,337 and 43,670.16 is: 65,461.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,627.21 : 155,337 = 43,670.16 : x
  2. Step 2: Convert to fraction form
    103,627.21/155,337 = 43,670.16/x
  3. Step 3: Cross multiply
    103,627.21x = 155,337 × 43,670.16
  4. Step 4: Simplify right side
    103,627.21x = 6,783,591,643.92
  5. Step 5: Solve for x
    x = 6,783,591,643.92/103,627.21
  6. Step 6: Final answer
    x = 65,461.49

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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.