Home / 149,072.09-223,609.47-42,455.95

Finding the Fourth Proportional to 149,072.09, 223,609.47 and 42,455.95

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Solution

The fourth proportional to 149,072.09, 223,609.47 and 42,455.95 is: 63,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,072.09 : 223,609.47 = 42,455.95 : x
  2. Step 2: Convert to fraction form
    149,072.09/223,609.47 = 42,455.95/x
  3. Step 3: Cross multiply
    149,072.09x = 223,609.47 × 42,455.95
  4. Step 4: Simplify right side
    149,072.09x = 9,493,552,477.85
  5. Step 5: Solve for x
    x = 9,493,552,477.85/149,072.09
  6. Step 6: Final answer
    x = 63,684.31

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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.