Home / 132,943.92-183,491.16-76,386.48

Finding the Fourth Proportional to 132,943.92, 183,491.16 and 76,386.48

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Solution

The fourth proportional to 132,943.92, 183,491.16 and 76,386.48 is: 105,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,943.92 : 183,491.16 = 76,386.48 : x
  2. Step 2: Convert to fraction form
    132,943.92/183,491.16 = 76,386.48/x
  3. Step 3: Cross multiply
    132,943.92x = 183,491.16 × 76,386.48
  4. Step 4: Simplify right side
    132,943.92x = 14,016,243,823.52
  5. Step 5: Solve for x
    x = 14,016,243,823.52/132,943.92
  6. Step 6: Final answer
    x = 105,429.75

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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.