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Finding the Fourth Proportional to 180,529.01, 248,903.91 and 115,884.20

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Solution

The fourth proportional to 180,529.01, 248,903.91 and 115,884.20 is: 159,775.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,529.01 : 248,903.91 = 115,884.20 : x
  2. Step 2: Convert to fraction form
    180,529.01/248,903.91 = 115,884.20/x
  3. Step 3: Cross multiply
    180,529.01x = 248,903.91 × 115,884.20
  4. Step 4: Simplify right side
    180,529.01x = 28,844,029,242.70
  5. Step 5: Solve for x
    x = 28,844,029,242.70/180,529.01
  6. Step 6: Final answer
    x = 159,775.04

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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.