Home / 205,162.35-307,712.73-64,902.75

Finding the Fourth Proportional to 205,162.35, 307,712.73 and 64,902.75

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Solution

The fourth proportional to 205,162.35, 307,712.73 and 64,902.75 is: 97,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,162.35 : 307,712.73 = 64,902.75 : x
  2. Step 2: Convert to fraction form
    205,162.35/307,712.73 = 64,902.75/x
  3. Step 3: Cross multiply
    205,162.35x = 307,712.73 × 64,902.75
  4. Step 4: Simplify right side
    205,162.35x = 19,971,402,387.01
  5. Step 5: Solve for x
    x = 19,971,402,387.01/205,162.35
  6. Step 6: Final answer
    x = 97,344.38

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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.