Home / 137,343.63-189,553.02-82,898.61

Finding the Fourth Proportional to 137,343.63, 189,553.02 and 82,898.61

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Solution

The fourth proportional to 137,343.63, 189,553.02 and 82,898.61 is: 114,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,343.63 : 189,553.02 = 82,898.61 : x
  2. Step 2: Convert to fraction form
    137,343.63/189,553.02 = 82,898.61/x
  3. Step 3: Cross multiply
    137,343.63x = 189,553.02 × 82,898.61
  4. Step 4: Simplify right side
    137,343.63x = 15,713,681,879.30
  5. Step 5: Solve for x
    x = 15,713,681,879.30/137,343.63
  6. Step 6: Final answer
    x = 114,411.44

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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.