Home / 180,152.23-248,634.78-103,669.76

Finding the Fourth Proportional to 180,152.23, 248,634.78 and 103,669.76

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Solution

The fourth proportional to 180,152.23, 248,634.78 and 103,669.76 is: 143,078.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,152.23 : 248,634.78 = 103,669.76 : x
  2. Step 2: Convert to fraction form
    180,152.23/248,634.78 = 103,669.76/x
  3. Step 3: Cross multiply
    180,152.23x = 248,634.78 × 103,669.76
  4. Step 4: Simplify right side
    180,152.23x = 25,775,907,970.25
  5. Step 5: Solve for x
    x = 25,775,907,970.25/180,152.23
  6. Step 6: Final answer
    x = 143,078.48

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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.