Home / 205,178.67-307,876.37-145,592.18

Finding the Fourth Proportional to 205,178.67, 307,876.37 and 145,592.18

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Solution

The fourth proportional to 205,178.67, 307,876.37 and 145,592.18 is: 218,465.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,178.67 : 307,876.37 = 145,592.18 : x
  2. Step 2: Convert to fraction form
    205,178.67/307,876.37 = 145,592.18/x
  3. Step 3: Cross multiply
    205,178.67x = 307,876.37 × 145,592.18
  4. Step 4: Simplify right side
    205,178.67x = 44,824,390,765.98
  5. Step 5: Solve for x
    x = 44,824,390,765.98/205,178.67
  6. Step 6: Final answer
    x = 218,465.16

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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.