Home / 126,811.27-174,992.56-70,219

Finding the Fourth Proportional to 126,811.27, 174,992.56 and 70,219

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Solution

The fourth proportional to 126,811.27, 174,992.56 and 70,219 is: 96,898.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,811.27 : 174,992.56 = 70,219 : x
  2. Step 2: Convert to fraction form
    126,811.27/174,992.56 = 70,219/x
  3. Step 3: Cross multiply
    126,811.27x = 174,992.56 × 70,219
  4. Step 4: Simplify right side
    126,811.27x = 12,287,802,570.64
  5. Step 5: Solve for x
    x = 12,287,802,570.64/126,811.27
  6. Step 6: Final answer
    x = 96,898.35

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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.