Home / 142,924.10-214,232.55-54,143.30

Finding the Fourth Proportional to 142,924.10, 214,232.55 and 54,143.30

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Solution

The fourth proportional to 142,924.10, 214,232.55 and 54,143.30 is: 81,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,924.10 : 214,232.55 = 54,143.30 : x
  2. Step 2: Convert to fraction form
    142,924.10/214,232.55 = 54,143.30/x
  3. Step 3: Cross multiply
    142,924.10x = 214,232.55 × 54,143.30
  4. Step 4: Simplify right side
    142,924.10x = 11,599,257,224.42
  5. Step 5: Solve for x
    x = 11,599,257,224.42/142,924.10
  6. Step 6: Final answer
    x = 81,156.76

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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.