Home / 240,918.60-332,458.80-138,948.36

Finding the Fourth Proportional to 240,918.60, 332,458.80 and 138,948.36

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Solution

The fourth proportional to 240,918.60, 332,458.80 and 138,948.36 is: 191,743.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,918.60 : 332,458.80 = 138,948.36 : x
  2. Step 2: Convert to fraction form
    240,918.60/332,458.80 = 138,948.36/x
  3. Step 3: Cross multiply
    240,918.60x = 332,458.80 × 138,948.36
  4. Step 4: Simplify right side
    240,918.60x = 46,194,605,027.57
  5. Step 5: Solve for x
    x = 46,194,605,027.57/240,918.60
  6. Step 6: Final answer
    x = 191,743.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.