Home / 180,257.08-248,773.44-103,778.88

Finding the Fourth Proportional to 180,257.08, 248,773.44 and 103,778.88

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Solution

The fourth proportional to 180,257.08, 248,773.44 and 103,778.88 is: 143,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,257.08 : 248,773.44 = 103,778.88 : x
  2. Step 2: Convert to fraction form
    180,257.08/248,773.44 = 103,778.88/x
  3. Step 3: Cross multiply
    180,257.08x = 248,773.44 × 103,778.88
  4. Step 4: Simplify right side
    180,257.08x = 25,817,428,976.95
  5. Step 5: Solve for x
    x = 25,817,428,976.95/180,257.08
  6. Step 6: Final answer
    x = 143,225.60

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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.