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Finding the Fourth Proportional to 169,769, 252,860.21 and 160,887.08

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Solution

The fourth proportional to 169,769, 252,860.21 and 160,887.08 is: 239,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,769 : 252,860.21 = 160,887.08 : x
  2. Step 2: Convert to fraction form
    169,769/252,860.21 = 160,887.08/x
  3. Step 3: Cross multiply
    169,769x = 252,860.21 × 160,887.08
  4. Step 4: Simplify right side
    169,769x = 40,681,940,835.09
  5. Step 5: Solve for x
    x = 40,681,940,835.09/169,769
  6. Step 6: Final answer
    x = 239,631.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.