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Finding the Fourth Proportional to 180,269.16, 248,765.16 and 103,785.72

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Solution

The fourth proportional to 180,269.16, 248,765.16 and 103,785.72 is: 143,220.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,269.16 : 248,765.16 = 103,785.72 : x
  2. Step 2: Convert to fraction form
    180,269.16/248,765.16 = 103,785.72/x
  3. Step 3: Cross multiply
    180,269.16x = 248,765.16 × 103,785.72
  4. Step 4: Simplify right side
    180,269.16x = 25,818,271,241.52
  5. Step 5: Solve for x
    x = 25,818,271,241.52/180,269.16
  6. Step 6: Final answer
    x = 143,220.68

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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.