Home / 149,021.80-223,532.70-49,197.40

Finding the Fourth Proportional to 149,021.80, 223,532.70 and 49,197.40

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Solution

The fourth proportional to 149,021.80, 223,532.70 and 49,197.40 is: 73,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,021.80 : 223,532.70 = 49,197.40 : x
  2. Step 2: Convert to fraction form
    149,021.80/223,532.70 = 49,197.40/x
  3. Step 3: Cross multiply
    149,021.80x = 223,532.70 × 49,197.40
  4. Step 4: Simplify right side
    149,021.80x = 10,997,227,654.98
  5. Step 5: Solve for x
    x = 10,997,227,654.98/149,021.80
  6. Step 6: Final answer
    x = 73,796.10

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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.