Home / 149,416.02-224,190.09-78,321.69

Finding the Fourth Proportional to 149,416.02, 224,190.09 and 78,321.69

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Solution

The fourth proportional to 149,416.02, 224,190.09 and 78,321.69 is: 117,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,416.02 : 224,190.09 = 78,321.69 : x
  2. Step 2: Convert to fraction form
    149,416.02/224,190.09 = 78,321.69/x
  3. Step 3: Cross multiply
    149,416.02x = 224,190.09 × 78,321.69
  4. Step 4: Simplify right side
    149,416.02x = 17,558,946,730.05
  5. Step 5: Solve for x
    x = 17,558,946,730.05/149,416.02
  6. Step 6: Final answer
    x = 117,517.16

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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.