Home / 205,124.68-307,698.22-64,872.84

Finding the Fourth Proportional to 205,124.68, 307,698.22 and 64,872.84

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Solution

The fourth proportional to 205,124.68, 307,698.22 and 64,872.84 is: 97,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,124.68 : 307,698.22 = 64,872.84 : x
  2. Step 2: Convert to fraction form
    205,124.68/307,698.22 = 64,872.84/x
  3. Step 3: Cross multiply
    205,124.68x = 307,698.22 × 64,872.84
  4. Step 4: Simplify right side
    205,124.68x = 19,961,257,394.34
  5. Step 5: Solve for x
    x = 19,961,257,394.34/205,124.68
  6. Step 6: Final answer
    x = 97,312.80

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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.