Home / 205,074.80-307,554.60-64,876.40

Finding the Fourth Proportional to 205,074.80, 307,554.60 and 64,876.40

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Solution

The fourth proportional to 205,074.80, 307,554.60 and 64,876.40 is: 97,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,074.80 : 307,554.60 = 64,876.40 : x
  2. Step 2: Convert to fraction form
    205,074.80/307,554.60 = 64,876.40/x
  3. Step 3: Cross multiply
    205,074.80x = 307,554.60 × 64,876.40
  4. Step 4: Simplify right side
    205,074.80x = 19,953,035,251.44
  5. Step 5: Solve for x
    x = 19,953,035,251.44/205,074.80
  6. Step 6: Final answer
    x = 97,296.38

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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.