Home / 148,585.32-222,936.36-65,421

Finding the Fourth Proportional to 148,585.32, 222,936.36 and 65,421

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Solution

The fourth proportional to 148,585.32, 222,936.36 and 65,421 is: 98,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,585.32 : 222,936.36 = 65,421 : x
  2. Step 2: Convert to fraction form
    148,585.32/222,936.36 = 65,421/x
  3. Step 3: Cross multiply
    148,585.32x = 222,936.36 × 65,421
  4. Step 4: Simplify right side
    148,585.32x = 14,584,719,607.56
  5. Step 5: Solve for x
    x = 14,584,719,607.56/148,585.32
  6. Step 6: Final answer
    x = 98,157.20

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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.