Home / 209,267.49-313,985.07-76,156.95

Finding the Fourth Proportional to 209,267.49, 313,985.07 and 76,156.95

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Solution

The fourth proportional to 209,267.49, 313,985.07 and 76,156.95 is: 114,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,267.49 : 313,985.07 = 76,156.95 : x
  2. Step 2: Convert to fraction form
    209,267.49/313,985.07 = 76,156.95/x
  3. Step 3: Cross multiply
    209,267.49x = 313,985.07 × 76,156.95
  4. Step 4: Simplify right side
    209,267.49x = 23,912,145,276.74
  5. Step 5: Solve for x
    x = 23,912,145,276.74/209,267.49
  6. Step 6: Final answer
    x = 114,265.93

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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.