Home / 135,103.96-186,444.20-73,850.23

Finding the Fourth Proportional to 135,103.96, 186,444.20 and 73,850.23

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Solution

The fourth proportional to 135,103.96, 186,444.20 and 73,850.23 is: 101,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,103.96 : 186,444.20 = 73,850.23 : x
  2. Step 2: Convert to fraction form
    135,103.96/186,444.20 = 73,850.23/x
  3. Step 3: Cross multiply
    135,103.96x = 186,444.20 × 73,850.23
  4. Step 4: Simplify right side
    135,103.96x = 13,768,947,052.17
  5. Step 5: Solve for x
    x = 13,768,947,052.17/135,103.96
  6. Step 6: Final answer
    x = 101,913.72

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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.