Home / 125,743.78-188,638.98-41,509.80

Finding the Fourth Proportional to 125,743.78, 188,638.98 and 41,509.80

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Solution

The fourth proportional to 125,743.78, 188,638.98 and 41,509.80 is: 62,272.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,743.78 : 188,638.98 = 41,509.80 : x
  2. Step 2: Convert to fraction form
    125,743.78/188,638.98 = 41,509.80/x
  3. Step 3: Cross multiply
    125,743.78x = 188,638.98 × 41,509.80
  4. Step 4: Simplify right side
    125,743.78x = 7,830,366,332.00
  5. Step 5: Solve for x
    x = 7,830,366,332.00/125,743.78
  6. Step 6: Final answer
    x = 62,272.39

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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.