Home / 269,621.81-372,089.35-148,770.93

Finding the Fourth Proportional to 269,621.81, 372,089.35 and 148,770.93

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Solution

The fourth proportional to 269,621.81, 372,089.35 and 148,770.93 is: 205,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,621.81 : 372,089.35 = 148,770.93 : x
  2. Step 2: Convert to fraction form
    269,621.81/372,089.35 = 148,770.93/x
  3. Step 3: Cross multiply
    269,621.81x = 372,089.35 × 148,770.93
  4. Step 4: Simplify right side
    269,621.81x = 55,356,078,642.60
  5. Step 5: Solve for x
    x = 55,356,078,642.60/269,621.81
  6. Step 6: Final answer
    x = 205,310.09

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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.