Home / 145,205.84-217,774.20-40,033.28

Finding the Fourth Proportional to 145,205.84, 217,774.20 and 40,033.28

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Solution

The fourth proportional to 145,205.84, 217,774.20 and 40,033.28 is: 60,040.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,205.84 : 217,774.20 = 40,033.28 : x
  2. Step 2: Convert to fraction form
    145,205.84/217,774.20 = 40,033.28/x
  3. Step 3: Cross multiply
    145,205.84x = 217,774.20 × 40,033.28
  4. Step 4: Simplify right side
    145,205.84x = 8,718,215,525.38
  5. Step 5: Solve for x
    x = 8,718,215,525.38/145,205.84
  6. Step 6: Final answer
    x = 60,040.39

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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.