Home / 105,029.21-144,915.38-59,703.61

Finding the Fourth Proportional to 105,029.21, 144,915.38 and 59,703.61

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Solution

The fourth proportional to 105,029.21, 144,915.38 and 59,703.61 is: 82,376.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,029.21 : 144,915.38 = 59,703.61 : x
  2. Step 2: Convert to fraction form
    105,029.21/144,915.38 = 59,703.61/x
  3. Step 3: Cross multiply
    105,029.21x = 144,915.38 × 59,703.61
  4. Step 4: Simplify right side
    105,029.21x = 8,651,970,757.75
  5. Step 5: Solve for x
    x = 8,651,970,757.75/105,029.21
  6. Step 6: Final answer
    x = 82,376.81

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1.5x scale

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.