Home / 107,380.90-148,137.03-69,126.73

Finding the Fourth Proportional to 107,380.90, 148,137.03 and 69,126.73

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Solution

The fourth proportional to 107,380.90, 148,137.03 and 69,126.73 is: 95,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,380.90 : 148,137.03 = 69,126.73 : x
  2. Step 2: Convert to fraction form
    107,380.90/148,137.03 = 69,126.73/x
  3. Step 3: Cross multiply
    107,380.90x = 148,137.03 × 69,126.73
  4. Step 4: Simplify right side
    107,380.90x = 10,240,228,475.81
  5. Step 5: Solve for x
    x = 10,240,228,475.81/107,380.90
  6. Step 6: Final answer
    x = 95,363.59

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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.