Home / 126,742.36-174,948.20-73,048.80

Finding the Fourth Proportional to 126,742.36, 174,948.20 and 73,048.80

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Solution

The fourth proportional to 126,742.36, 174,948.20 and 73,048.80 is: 100,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,742.36 : 174,948.20 = 73,048.80 : x
  2. Step 2: Convert to fraction form
    126,742.36/174,948.20 = 73,048.80/x
  3. Step 3: Cross multiply
    126,742.36x = 174,948.20 × 73,048.80
  4. Step 4: Simplify right side
    126,742.36x = 12,779,756,072.16
  5. Step 5: Solve for x
    x = 12,779,756,072.16/126,742.36
  6. Step 6: Final answer
    x = 100,832.56

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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.