Home / 107,383.51-148,203.44-64,933.84

Finding the Fourth Proportional to 107,383.51, 148,203.44 and 64,933.84

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Solution

The fourth proportional to 107,383.51, 148,203.44 and 64,933.84 is: 89,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,383.51 : 148,203.44 = 64,933.84 : x
  2. Step 2: Convert to fraction form
    107,383.51/148,203.44 = 64,933.84/x
  3. Step 3: Cross multiply
    107,383.51x = 148,203.44 × 64,933.84
  4. Step 4: Simplify right side
    107,383.51x = 9,623,418,460.41
  5. Step 5: Solve for x
    x = 9,623,418,460.41/107,383.51
  6. Step 6: Final answer
    x = 89,617.28

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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.