Home / 126,147.51-189,166.32-36,170.35

Finding the Fourth Proportional to 126,147.51, 189,166.32 and 36,170.35

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Solution

The fourth proportional to 126,147.51, 189,166.32 and 36,170.35 is: 54,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,147.51 : 189,166.32 = 36,170.35 : x
  2. Step 2: Convert to fraction form
    126,147.51/189,166.32 = 36,170.35/x
  3. Step 3: Cross multiply
    126,147.51x = 189,166.32 × 36,170.35
  4. Step 4: Simplify right side
    126,147.51x = 6,842,211,529.70
  5. Step 5: Solve for x
    x = 6,842,211,529.70/126,147.51
  6. Step 6: Final answer
    x = 54,239.77

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1.5x scale

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.