Home / 149,005.67-223,536.04-49,172.81

Finding the Fourth Proportional to 149,005.67, 223,536.04 and 49,172.81

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Solution

The fourth proportional to 149,005.67, 223,536.04 and 49,172.81 is: 73,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,005.67 : 223,536.04 = 49,172.81 : x
  2. Step 2: Convert to fraction form
    149,005.67/223,536.04 = 49,172.81/x
  3. Step 3: Cross multiply
    149,005.67x = 223,536.04 × 49,172.81
  4. Step 4: Simplify right side
    149,005.67x = 10,991,893,982.46
  5. Step 5: Solve for x
    x = 10,991,893,982.46/149,005.67
  6. Step 6: Final answer
    x = 73,768.30

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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.