Home / 126,551.36-174,622.24-72,104

Finding the Fourth Proportional to 126,551.36, 174,622.24 and 72,104

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Solution

The fourth proportional to 126,551.36, 174,622.24 and 72,104 is: 99,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,551.36 : 174,622.24 = 72,104 : x
  2. Step 2: Convert to fraction form
    126,551.36/174,622.24 = 72,104/x
  3. Step 3: Cross multiply
    126,551.36x = 174,622.24 × 72,104
  4. Step 4: Simplify right side
    126,551.36x = 12,590,961,992.96
  5. Step 5: Solve for x
    x = 12,590,961,992.96/126,551.36
  6. Step 6: Final answer
    x = 99,492.90

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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.