Home / 105,137.43-145,092.02-59,813.61

Finding the Fourth Proportional to 105,137.43, 145,092.02 and 59,813.61

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Solution

The fourth proportional to 105,137.43, 145,092.02 and 59,813.61 is: 82,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,137.43 : 145,092.02 = 59,813.61 : x
  2. Step 2: Convert to fraction form
    105,137.43/145,092.02 = 59,813.61/x
  3. Step 3: Cross multiply
    105,137.43x = 145,092.02 × 59,813.61
  4. Step 4: Simplify right side
    105,137.43x = 8,678,477,498.39
  5. Step 5: Solve for x
    x = 8,678,477,498.39/105,137.43
  6. Step 6: Final answer
    x = 82,544.13

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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.