Home / 137,262.98-189,426.12-76,832.12

Finding the Fourth Proportional to 137,262.98, 189,426.12 and 76,832.12

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Solution

The fourth proportional to 137,262.98, 189,426.12 and 76,832.12 is: 106,030.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,262.98 : 189,426.12 = 76,832.12 : x
  2. Step 2: Convert to fraction form
    137,262.98/189,426.12 = 76,832.12/x
  3. Step 3: Cross multiply
    137,262.98x = 189,426.12 × 76,832.12
  4. Step 4: Simplify right side
    137,262.98x = 14,554,010,382.97
  5. Step 5: Solve for x
    x = 14,554,010,382.97/137,262.98
  6. Step 6: Final answer
    x = 106,030.12

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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.