Home / 126,789.01-174,970.99-69,427.42

Finding the Fourth Proportional to 126,789.01, 174,970.99 and 69,427.42

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Solution

The fourth proportional to 126,789.01, 174,970.99 and 69,427.42 is: 95,811.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,789.01 : 174,970.99 = 69,427.42 : x
  2. Step 2: Convert to fraction form
    126,789.01/174,970.99 = 69,427.42/x
  3. Step 3: Cross multiply
    126,789.01x = 174,970.99 × 69,427.42
  4. Step 4: Simplify right side
    126,789.01x = 12,147,783,625.98
  5. Step 5: Solve for x
    x = 12,147,783,625.98/126,789.01
  6. Step 6: Final answer
    x = 95,811.01

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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.