Home / 126,474.03-174,544.12-72,028.52

Finding the Fourth Proportional to 126,474.03, 174,544.12 and 72,028.52

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Solution

The fourth proportional to 126,474.03, 174,544.12 and 72,028.52 is: 99,405.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,474.03 : 174,544.12 = 72,028.52 : x
  2. Step 2: Convert to fraction form
    126,474.03/174,544.12 = 72,028.52/x
  3. Step 3: Cross multiply
    126,474.03x = 174,544.12 × 72,028.52
  4. Step 4: Simplify right side
    126,474.03x = 12,572,154,638.30
  5. Step 5: Solve for x
    x = 12,572,154,638.30/126,474.03
  6. Step 6: Final answer
    x = 99,405.03

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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.