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Finding the Fourth Proportional to 180,186.34, 248,664.15 and 119,652.60

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Solution

The fourth proportional to 180,186.34, 248,664.15 and 119,652.60 is: 165,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,186.34 : 248,664.15 = 119,652.60 : x
  2. Step 2: Convert to fraction form
    180,186.34/248,664.15 = 119,652.60/x
  3. Step 3: Cross multiply
    180,186.34x = 248,664.15 × 119,652.60
  4. Step 4: Simplify right side
    180,186.34x = 29,753,312,074.29
  5. Step 5: Solve for x
    x = 29,753,312,074.29/180,186.34
  6. Step 6: Final answer
    x = 165,125.24

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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.