Home / 84,160.40-116,141.64-45,919.76

Finding the Fourth Proportional to 84,160.40, 116,141.64 and 45,919.76

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Solution

The fourth proportional to 84,160.40, 116,141.64 and 45,919.76 is: 63,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,160.40 : 116,141.64 = 45,919.76 : x
  2. Step 2: Convert to fraction form
    84,160.40/116,141.64 = 45,919.76/x
  3. Step 3: Cross multiply
    84,160.40x = 116,141.64 × 45,919.76
  4. Step 4: Simplify right side
    84,160.40x = 5,333,196,234.81
  5. Step 5: Solve for x
    x = 5,333,196,234.81/84,160.40
  6. Step 6: Final answer
    x = 63,369.43

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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.