Home / 102,858.40-154,298.94-32,721.34

Finding the Fourth Proportional to 102,858.40, 154,298.94 and 32,721.34

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Solution

The fourth proportional to 102,858.40, 154,298.94 and 32,721.34 is: 49,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,858.40 : 154,298.94 = 32,721.34 : x
  2. Step 2: Convert to fraction form
    102,858.40/154,298.94 = 32,721.34/x
  3. Step 3: Cross multiply
    102,858.40x = 154,298.94 × 32,721.34
  4. Step 4: Simplify right side
    102,858.40x = 5,048,868,077.38
  5. Step 5: Solve for x
    x = 5,048,868,077.38/102,858.40
  6. Step 6: Final answer
    x = 49,085.62

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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.