Home / 157,270.54-235,709.08-123,858.65

Finding the Fourth Proportional to 157,270.54, 235,709.08 and 123,858.65

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Solution

The fourth proportional to 157,270.54, 235,709.08 and 123,858.65 is: 185,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,270.54 : 235,709.08 = 123,858.65 : x
  2. Step 2: Convert to fraction form
    157,270.54/235,709.08 = 123,858.65/x
  3. Step 3: Cross multiply
    157,270.54x = 235,709.08 × 123,858.65
  4. Step 4: Simplify right side
    157,270.54x = 29,194,608,441.54
  5. Step 5: Solve for x
    x = 29,194,608,441.54/157,270.54
  6. Step 6: Final answer
    x = 185,633.04

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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.