Home / 139,261.20-208,920.75-63,323.55

Finding the Fourth Proportional to 139,261.20, 208,920.75 and 63,323.55

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Solution

The fourth proportional to 139,261.20, 208,920.75 and 63,323.55 is: 94,998.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,261.20 : 208,920.75 = 63,323.55 : x
  2. Step 2: Convert to fraction form
    139,261.20/208,920.75 = 63,323.55/x
  3. Step 3: Cross multiply
    139,261.20x = 208,920.75 × 63,323.55
  4. Step 4: Simplify right side
    139,261.20x = 13,229,603,558.66
  5. Step 5: Solve for x
    x = 13,229,603,558.66/139,261.20
  6. Step 6: Final answer
    x = 94,998.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.