Home / 107,408.88-148,164.54-99,806.34

Finding the Fourth Proportional to 107,408.88, 148,164.54 and 99,806.34

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Solution

The fourth proportional to 107,408.88, 148,164.54 and 99,806.34 is: 137,677.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,408.88 : 148,164.54 = 99,806.34 : x
  2. Step 2: Convert to fraction form
    107,408.88/148,164.54 = 99,806.34/x
  3. Step 3: Cross multiply
    107,408.88x = 148,164.54 × 99,806.34
  4. Step 4: Simplify right side
    107,408.88x = 14,787,760,455.18
  5. Step 5: Solve for x
    x = 14,787,760,455.18/107,408.88
  6. Step 6: Final answer
    x = 137,677.26

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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.