Home / 103,637.30-155,261.55-96,638.90

Finding the Fourth Proportional to 103,637.30, 155,261.55 and 96,638.90

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Solution

The fourth proportional to 103,637.30, 155,261.55 and 96,638.90 is: 144,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,637.30 : 155,261.55 = 96,638.90 : x
  2. Step 2: Convert to fraction form
    103,637.30/155,261.55 = 96,638.90/x
  3. Step 3: Cross multiply
    103,637.30x = 155,261.55 × 96,638.90
  4. Step 4: Simplify right side
    103,637.30x = 15,004,305,404.30
  5. Step 5: Solve for x
    x = 15,004,305,404.30/103,637.30
  6. Step 6: Final answer
    x = 144,777.08

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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.