Home / 106,730.46-147,177.81-91,673.10

Finding the Fourth Proportional to 106,730.46, 147,177.81 and 91,673.10

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Solution

The fourth proportional to 106,730.46, 147,177.81 and 91,673.10 is: 126,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,730.46 : 147,177.81 = 91,673.10 : x
  2. Step 2: Convert to fraction form
    106,730.46/147,177.81 = 91,673.10/x
  3. Step 3: Cross multiply
    106,730.46x = 147,177.81 × 91,673.10
  4. Step 4: Simplify right side
    106,730.46x = 13,492,246,093.91
  5. Step 5: Solve for x
    x = 13,492,246,093.91/106,730.46
  6. Step 6: Final answer
    x = 126,414.20

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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.