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Finding the Fourth Proportional to 119,693.65, 179,566.74 and 35,460.40

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Solution

The fourth proportional to 119,693.65, 179,566.74 and 35,460.40 is: 53,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,693.65 : 179,566.74 = 35,460.40 : x
  2. Step 2: Convert to fraction form
    119,693.65/179,566.74 = 35,460.40/x
  3. Step 3: Cross multiply
    119,693.65x = 179,566.74 × 35,460.40
  4. Step 4: Simplify right side
    119,693.65x = 6,367,508,427.10
  5. Step 5: Solve for x
    x = 6,367,508,427.10/119,693.65
  6. Step 6: Final answer
    x = 53,198.38

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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.