Home / 149,044.51-223,413.90-77,929.34

Finding the Fourth Proportional to 149,044.51, 223,413.90 and 77,929.34

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Solution

The fourth proportional to 149,044.51, 223,413.90 and 77,929.34 is: 116,814.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,044.51 : 223,413.90 = 77,929.34 : x
  2. Step 2: Convert to fraction form
    149,044.51/223,413.90 = 77,929.34/x
  3. Step 3: Cross multiply
    149,044.51x = 223,413.90 × 77,929.34
  4. Step 4: Simplify right side
    149,044.51x = 17,410,497,621.22
  5. Step 5: Solve for x
    x = 17,410,497,621.22/149,044.51
  6. Step 6: Final answer
    x = 116,814.09

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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.