Home / 142,949.79-214,369.96-48,154.50

Finding the Fourth Proportional to 142,949.79, 214,369.96 and 48,154.50

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Solution

The fourth proportional to 142,949.79, 214,369.96 and 48,154.50 is: 72,213.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,949.79 : 214,369.96 = 48,154.50 : x
  2. Step 2: Convert to fraction form
    142,949.79/214,369.96 = 48,154.50/x
  3. Step 3: Cross multiply
    142,949.79x = 214,369.96 × 48,154.50
  4. Step 4: Simplify right side
    142,949.79x = 10,322,878,654.36
  5. Step 5: Solve for x
    x = 10,322,878,654.36/142,949.79
  6. Step 6: Final answer
    x = 72,213.32

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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.