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Finding the Fourth Proportional to 161,574.36, 222,485.67 and 152,105.87

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Solution

The fourth proportional to 161,574.36, 222,485.67 and 152,105.87 is: 209,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,574.36 : 222,485.67 = 152,105.87 : x
  2. Step 2: Convert to fraction form
    161,574.36/222,485.67 = 152,105.87/x
  3. Step 3: Cross multiply
    161,574.36x = 222,485.67 × 152,105.87
  4. Step 4: Simplify right side
    161,574.36x = 33,841,375,285.45
  5. Step 5: Solve for x
    x = 33,841,375,285.45/161,574.36
  6. Step 6: Final answer
    x = 209,447.68

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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.