Home / 148,487.40-222,528.96-81,827.64

Finding the Fourth Proportional to 148,487.40, 222,528.96 and 81,827.64

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Solution

The fourth proportional to 148,487.40, 222,528.96 and 81,827.64 is: 122,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,487.40 : 222,528.96 = 81,827.64 : x
  2. Step 2: Convert to fraction form
    148,487.40/222,528.96 = 81,827.64/x
  3. Step 3: Cross multiply
    148,487.40x = 222,528.96 × 81,827.64
  4. Step 4: Simplify right side
    148,487.40x = 18,209,019,628.45
  5. Step 5: Solve for x
    x = 18,209,019,628.45/148,487.40
  6. Step 6: Final answer
    x = 122,630.07

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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.