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Finding the Fourth Proportional to 161,281.35, 222,571.04 and 88,687.35

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Solution

The fourth proportional to 161,281.35, 222,571.04 and 88,687.35 is: 122,390.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,281.35 : 222,571.04 = 88,687.35 : x
  2. Step 2: Convert to fraction form
    161,281.35/222,571.04 = 88,687.35/x
  3. Step 3: Cross multiply
    161,281.35x = 222,571.04 × 88,687.35
  4. Step 4: Simplify right side
    161,281.35x = 19,739,235,280.91
  5. Step 5: Solve for x
    x = 19,739,235,280.91/161,281.35
  6. Step 6: Final answer
    x = 122,390.07

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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.