Home / 137,491.73-189,736.88-77,062.29

Finding the Fourth Proportional to 137,491.73, 189,736.88 and 77,062.29

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Solution

The fourth proportional to 137,491.73, 189,736.88 and 77,062.29 is: 106,345.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,491.73 : 189,736.88 = 77,062.29 : x
  2. Step 2: Convert to fraction form
    137,491.73/189,736.88 = 77,062.29/x
  3. Step 3: Cross multiply
    137,491.73x = 189,736.88 × 77,062.29
  4. Step 4: Simplify right side
    137,491.73x = 14,621,557,806.91
  5. Step 5: Solve for x
    x = 14,621,557,806.91/137,491.73
  6. Step 6: Final answer
    x = 106,345.00

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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.