Home / 126,266.66-174,277.79-72,582.81

Finding the Fourth Proportional to 126,266.66, 174,277.79 and 72,582.81

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Solution

The fourth proportional to 126,266.66, 174,277.79 and 72,582.81 is: 100,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,266.66 : 174,277.79 = 72,582.81 : x
  2. Step 2: Convert to fraction form
    126,266.66/174,277.79 = 72,582.81/x
  3. Step 3: Cross multiply
    126,266.66x = 174,277.79 × 72,582.81
  4. Step 4: Simplify right side
    126,266.66x = 12,649,571,355.88
  5. Step 5: Solve for x
    x = 12,649,571,355.88/126,266.66
  6. Step 6: Final answer
    x = 100,181.41

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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.