Home / 126,028.77-173,911.56-75,045.24

Finding the Fourth Proportional to 126,028.77, 173,911.56 and 75,045.24

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Solution

The fourth proportional to 126,028.77, 173,911.56 and 75,045.24 is: 103,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,028.77 : 173,911.56 = 75,045.24 : x
  2. Step 2: Convert to fraction form
    126,028.77/173,911.56 = 75,045.24/x
  3. Step 3: Cross multiply
    126,028.77x = 173,911.56 × 75,045.24
  4. Step 4: Simplify right side
    126,028.77x = 13,051,234,758.97
  5. Step 5: Solve for x
    x = 13,051,234,758.97/126,028.77
  6. Step 6: Final answer
    x = 103,557.58

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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.