Home / 135,450.95-186,924.38-75,021.48

Finding the Fourth Proportional to 135,450.95, 186,924.38 and 75,021.48

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Solution

The fourth proportional to 135,450.95, 186,924.38 and 75,021.48 is: 103,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,450.95 : 186,924.38 = 75,021.48 : x
  2. Step 2: Convert to fraction form
    135,450.95/186,924.38 = 75,021.48/x
  3. Step 3: Cross multiply
    135,450.95x = 186,924.38 × 75,021.48
  4. Step 4: Simplify right side
    135,450.95x = 14,023,343,260.58
  5. Step 5: Solve for x
    x = 14,023,343,260.58/135,450.95
  6. Step 6: Final answer
    x = 103,530.79

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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.