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Finding the Fourth Proportional to 161,232, 222,503.94 and 89,615.04

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Solution

The fourth proportional to 161,232, 222,503.94 and 89,615.04 is: 123,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,232 : 222,503.94 = 89,615.04 : x
  2. Step 2: Convert to fraction form
    161,232/222,503.94 = 89,615.04/x
  3. Step 3: Cross multiply
    161,232x = 222,503.94 × 89,615.04
  4. Step 4: Simplify right side
    161,232x = 19,939,699,483.26
  5. Step 5: Solve for x
    x = 19,939,699,483.26/161,232
  6. Step 6: Final answer
    x = 123,670.86

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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.