Home / 133,273.30-199,944.55-39,779.06

Finding the Fourth Proportional to 133,273.30, 199,944.55 and 39,779.06

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Solution

The fourth proportional to 133,273.30, 199,944.55 and 39,779.06 is: 59,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,273.30 : 199,944.55 = 39,779.06 : x
  2. Step 2: Convert to fraction form
    133,273.30/199,944.55 = 39,779.06/x
  3. Step 3: Cross multiply
    133,273.30x = 199,944.55 × 39,779.06
  4. Step 4: Simplify right side
    133,273.30x = 7,953,606,251.12
  5. Step 5: Solve for x
    x = 7,953,606,251.12/133,273.30
  6. Step 6: Final answer
    x = 59,678.92

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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.