Home / 119,779.20-179,636.40-35,539.20

Finding the Fourth Proportional to 119,779.20, 179,636.40 and 35,539.20

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Solution

The fourth proportional to 119,779.20, 179,636.40 and 35,539.20 is: 53,299.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,779.20 : 179,636.40 = 35,539.20 : x
  2. Step 2: Convert to fraction form
    119,779.20/179,636.40 = 35,539.20/x
  3. Step 3: Cross multiply
    119,779.20x = 179,636.40 × 35,539.20
  4. Step 4: Simplify right side
    119,779.20x = 6,384,133,946.88
  5. Step 5: Solve for x
    x = 6,384,133,946.88/119,779.20
  6. Step 6: Final answer
    x = 53,299.19

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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.