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Finding the Fourth Proportional to 161,151.22, 241,623.15 and 105,682.42

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Solution

The fourth proportional to 161,151.22, 241,623.15 and 105,682.42 is: 158,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,151.22 : 241,623.15 = 105,682.42 : x
  2. Step 2: Convert to fraction form
    161,151.22/241,623.15 = 105,682.42/x
  3. Step 3: Cross multiply
    161,151.22x = 241,623.15 × 105,682.42
  4. Step 4: Simplify right side
    161,151.22x = 25,535,319,220.02
  5. Step 5: Solve for x
    x = 25,535,319,220.02/161,151.22
  6. Step 6: Final answer
    x = 158,455.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.