Home / 102,330.81-153,367.29-54,828.09

Finding the Fourth Proportional to 102,330.81, 153,367.29 and 54,828.09

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Solution

The fourth proportional to 102,330.81, 153,367.29 and 54,828.09 is: 82,173.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,330.81 : 153,367.29 = 54,828.09 : x
  2. Step 2: Convert to fraction form
    102,330.81/153,367.29 = 54,828.09/x
  3. Step 3: Cross multiply
    102,330.81x = 153,367.29 × 54,828.09
  4. Step 4: Simplify right side
    102,330.81x = 8,408,835,579.18
  5. Step 5: Solve for x
    x = 8,408,835,579.18/102,330.81
  6. Step 6: Final answer
    x = 82,173.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.