Home / 461,956.20-692,999.91-142,134.56

Finding the Fourth Proportional to 461,956.20, 692,999.91 and 142,134.56

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Solution

The fourth proportional to 461,956.20, 692,999.91 and 142,134.56 is: 213,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,956.20 : 692,999.91 = 142,134.56 : x
  2. Step 2: Convert to fraction form
    461,956.20/692,999.91 = 142,134.56/x
  3. Step 3: Cross multiply
    461,956.20x = 692,999.91 × 142,134.56
  4. Step 4: Simplify right side
    461,956.20x = 98,499,233,822.89
  5. Step 5: Solve for x
    x = 98,499,233,822.89/461,956.20
  6. Step 6: Final answer
    x = 213,222.02

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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.