Home / 149,013.63-223,496.42-40,917.78

Finding the Fourth Proportional to 149,013.63, 223,496.42 and 40,917.78

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Solution

The fourth proportional to 149,013.63, 223,496.42 and 40,917.78 is: 61,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,013.63 : 223,496.42 = 40,917.78 : x
  2. Step 2: Convert to fraction form
    149,013.63/223,496.42 = 40,917.78/x
  3. Step 3: Cross multiply
    149,013.63x = 223,496.42 × 40,917.78
  4. Step 4: Simplify right side
    149,013.63x = 9,144,977,139.76
  5. Step 5: Solve for x
    x = 9,144,977,139.76/149,013.63
  6. Step 6: Final answer
    x = 61,370.07

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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.