Home / 240,659.42-332,144.75-138,665.34

Finding the Fourth Proportional to 240,659.42, 332,144.75 and 138,665.34

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Solution

The fourth proportional to 240,659.42, 332,144.75 and 138,665.34 is: 191,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,659.42 : 332,144.75 = 138,665.34 : x
  2. Step 2: Convert to fraction form
    240,659.42/332,144.75 = 138,665.34/x
  3. Step 3: Cross multiply
    240,659.42x = 332,144.75 × 138,665.34
  4. Step 4: Simplify right side
    240,659.42x = 46,056,963,994.64
  5. Step 5: Solve for x
    x = 46,056,963,994.64/240,659.42
  6. Step 6: Final answer
    x = 191,378.19

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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.