Home / 205,458.10-308,273.55-112,030.90

Finding the Fourth Proportional to 205,458.10, 308,273.55 and 112,030.90

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Solution

The fourth proportional to 205,458.10, 308,273.55 and 112,030.90 is: 168,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,458.10 : 308,273.55 = 112,030.90 : x
  2. Step 2: Convert to fraction form
    205,458.10/308,273.55 = 112,030.90/x
  3. Step 3: Cross multiply
    205,458.10x = 308,273.55 × 112,030.90
  4. Step 4: Simplify right side
    205,458.10x = 34,536,163,252.70
  5. Step 5: Solve for x
    x = 34,536,163,252.70/205,458.10
  6. Step 6: Final answer
    x = 168,093.46

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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.