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Finding the Fourth Proportional to 144,065.61, 216,130.50 and 44,234.49

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Solution

The fourth proportional to 144,065.61, 216,130.50 and 44,234.49 is: 66,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,065.61 : 216,130.50 = 44,234.49 : x
  2. Step 2: Convert to fraction form
    144,065.61/216,130.50 = 44,234.49/x
  3. Step 3: Cross multiply
    144,065.61x = 216,130.50 × 44,234.49
  4. Step 4: Simplify right side
    144,065.61x = 9,560,422,440.95
  5. Step 5: Solve for x
    x = 9,560,422,440.95/144,065.61
  6. Step 6: Final answer
    x = 66,361.59

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1.5x scale

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.