Home / 125,628.06-173,394.07-77,271.57

Finding the Fourth Proportional to 125,628.06, 173,394.07 and 77,271.57

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Solution

The fourth proportional to 125,628.06, 173,394.07 and 77,271.57 is: 106,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,628.06 : 173,394.07 = 77,271.57 : x
  2. Step 2: Convert to fraction form
    125,628.06/173,394.07 = 77,271.57/x
  3. Step 3: Cross multiply
    125,628.06x = 173,394.07 × 77,271.57
  4. Step 4: Simplify right side
    125,628.06x = 13,398,431,824.41
  5. Step 5: Solve for x
    x = 13,398,431,824.41/125,628.06
  6. Step 6: Final answer
    x = 106,651.58

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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.