Home / 212,234.50-292,812.13-144,133.35

Finding the Fourth Proportional to 212,234.50, 292,812.13 and 144,133.35

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Solution

The fourth proportional to 212,234.50, 292,812.13 and 144,133.35 is: 198,855.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,234.50 : 292,812.13 = 144,133.35 : x
  2. Step 2: Convert to fraction form
    212,234.50/292,812.13 = 144,133.35/x
  3. Step 3: Cross multiply
    212,234.50x = 292,812.13 × 144,133.35
  4. Step 4: Simplify right side
    212,234.50x = 42,203,993,217.54
  5. Step 5: Solve for x
    x = 42,203,993,217.54/212,234.50
  6. Step 6: Final answer
    x = 198,855.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.