Home / 125,554.36-173,192.64-75,224.20

Finding the Fourth Proportional to 125,554.36, 173,192.64 and 75,224.20

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Solution

The fourth proportional to 125,554.36, 173,192.64 and 75,224.20 is: 103,766.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,554.36 : 173,192.64 = 75,224.20 : x
  2. Step 2: Convert to fraction form
    125,554.36/173,192.64 = 75,224.20/x
  3. Step 3: Cross multiply
    125,554.36x = 173,192.64 × 75,224.20
  4. Step 4: Simplify right side
    125,554.36x = 13,028,277,789.89
  5. Step 5: Solve for x
    x = 13,028,277,789.89/125,554.36
  6. Step 6: Final answer
    x = 103,766.03

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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.