Home / 157,173.96-235,756.62-68,427.30

Finding the Fourth Proportional to 157,173.96, 235,756.62 and 68,427.30

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Solution

The fourth proportional to 157,173.96, 235,756.62 and 68,427.30 is: 102,639.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,173.96 : 235,756.62 = 68,427.30 : x
  2. Step 2: Convert to fraction form
    157,173.96/235,756.62 = 68,427.30/x
  3. Step 3: Cross multiply
    157,173.96x = 235,756.62 × 68,427.30
  4. Step 4: Simplify right side
    157,173.96x = 16,132,188,963.73
  5. Step 5: Solve for x
    x = 16,132,188,963.73/157,173.96
  6. Step 6: Final answer
    x = 102,639.07

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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.