Home / 156,395.31-234,602.88-55,180.74

Finding the Fourth Proportional to 156,395.31, 234,602.88 and 55,180.74

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Solution

The fourth proportional to 156,395.31, 234,602.88 and 55,180.74 is: 82,774.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,395.31 : 234,602.88 = 55,180.74 : x
  2. Step 2: Convert to fraction form
    156,395.31/234,602.88 = 55,180.74/x
  3. Step 3: Cross multiply
    156,395.31x = 234,602.88 × 55,180.74
  4. Step 4: Simplify right side
    156,395.31x = 12,945,561,507.76
  5. Step 5: Solve for x
    x = 12,945,561,507.76/156,395.31
  6. Step 6: Final answer
    x = 82,774.62

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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.