Home / 240,048.44-331,256.76-138,066.20

Finding the Fourth Proportional to 240,048.44, 331,256.76 and 138,066.20

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Solution

The fourth proportional to 240,048.44, 331,256.76 and 138,066.20 is: 190,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,048.44 : 331,256.76 = 138,066.20 : x
  2. Step 2: Convert to fraction form
    240,048.44/331,256.76 = 138,066.20/x
  3. Step 3: Cross multiply
    240,048.44x = 331,256.76 × 138,066.20
  4. Step 4: Simplify right side
    240,048.44x = 45,735,362,077.51
  5. Step 5: Solve for x
    x = 45,735,362,077.51/240,048.44
  6. Step 6: Final answer
    x = 190,525.55

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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.