Home / 125,641.90-188,481.52-41,386.50

Finding the Fourth Proportional to 125,641.90, 188,481.52 and 41,386.50

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Solution

The fourth proportional to 125,641.90, 188,481.52 and 41,386.50 is: 62,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,641.90 : 188,481.52 = 41,386.50 : x
  2. Step 2: Convert to fraction form
    125,641.90/188,481.52 = 41,386.50/x
  3. Step 3: Cross multiply
    125,641.90x = 188,481.52 × 41,386.50
  4. Step 4: Simplify right side
    125,641.90x = 7,800,590,427.48
  5. Step 5: Solve for x
    x = 7,800,590,427.48/125,641.90
  6. Step 6: Final answer
    x = 62,085.90

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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.