Home / 145,264.86-200,474.07-109,391.58

Finding the Fourth Proportional to 145,264.86, 200,474.07 and 109,391.58

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Solution

The fourth proportional to 145,264.86, 200,474.07 and 109,391.58 is: 150,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,264.86 : 200,474.07 = 109,391.58 : x
  2. Step 2: Convert to fraction form
    145,264.86/200,474.07 = 109,391.58/x
  3. Step 3: Cross multiply
    145,264.86x = 200,474.07 × 109,391.58
  4. Step 4: Simplify right side
    145,264.86x = 21,930,175,266.33
  5. Step 5: Solve for x
    x = 21,930,175,266.33/145,264.86
  6. Step 6: Final answer
    x = 150,966.83

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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.