Home / 145,384.29-218,131.13-50,621.58

Finding the Fourth Proportional to 145,384.29, 218,131.13 and 50,621.58

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Solution

The fourth proportional to 145,384.29, 218,131.13 and 50,621.58 is: 75,951.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,384.29 : 218,131.13 = 50,621.58 : x
  2. Step 2: Convert to fraction form
    145,384.29/218,131.13 = 50,621.58/x
  3. Step 3: Cross multiply
    145,384.29x = 218,131.13 × 50,621.58
  4. Step 4: Simplify right side
    145,384.29x = 11,042,142,447.79
  5. Step 5: Solve for x
    x = 11,042,142,447.79/145,384.29
  6. Step 6: Final answer
    x = 75,951.41

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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.