Home / 149,469.23-224,333.36-78,442.05

Finding the Fourth Proportional to 149,469.23, 224,333.36 and 78,442.05

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Solution

The fourth proportional to 149,469.23, 224,333.36 and 78,442.05 is: 117,731.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,469.23 : 224,333.36 = 78,442.05 : x
  2. Step 2: Convert to fraction form
    149,469.23/224,333.36 = 78,442.05/x
  3. Step 3: Cross multiply
    149,469.23x = 224,333.36 × 78,442.05
  4. Step 4: Simplify right side
    149,469.23x = 17,597,168,249.58
  5. Step 5: Solve for x
    x = 17,597,168,249.58/149,469.23
  6. Step 6: Final answer
    x = 117,731.05

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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.