Home / 205,047.84-307,855.07-141,711.92

Finding the Fourth Proportional to 205,047.84, 307,855.07 and 141,711.92

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Solution

The fourth proportional to 205,047.84, 307,855.07 and 141,711.92 is: 212,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,047.84 : 307,855.07 = 141,711.92 : x
  2. Step 2: Convert to fraction form
    205,047.84/307,855.07 = 141,711.92/x
  3. Step 3: Cross multiply
    205,047.84x = 307,855.07 × 141,711.92
  4. Step 4: Simplify right side
    205,047.84x = 43,626,730,803.60
  5. Step 5: Solve for x
    x = 43,626,730,803.60/205,047.84
  6. Step 6: Final answer
    x = 212,763.67

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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.