Home / 205,154.85-307,701.48-64,895.25

Finding the Fourth Proportional to 205,154.85, 307,701.48 and 64,895.25

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Solution

The fourth proportional to 205,154.85, 307,701.48 and 64,895.25 is: 97,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,154.85 : 307,701.48 = 64,895.25 : x
  2. Step 2: Convert to fraction form
    205,154.85/307,701.48 = 64,895.25/x
  3. Step 3: Cross multiply
    205,154.85x = 307,701.48 × 64,895.25
  4. Step 4: Simplify right side
    205,154.85x = 19,968,364,469.97
  5. Step 5: Solve for x
    x = 19,968,364,469.97/205,154.85
  6. Step 6: Final answer
    x = 97,333.13

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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.