Home / 143,305.04-215,043.96-49,876.40

Finding the Fourth Proportional to 143,305.04, 215,043.96 and 49,876.40

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Solution

The fourth proportional to 143,305.04, 215,043.96 and 49,876.40 is: 74,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,305.04 : 215,043.96 = 49,876.40 : x
  2. Step 2: Convert to fraction form
    143,305.04/215,043.96 = 49,876.40/x
  3. Step 3: Cross multiply
    143,305.04x = 215,043.96 × 49,876.40
  4. Step 4: Simplify right side
    143,305.04x = 10,725,618,566.54
  5. Step 5: Solve for x
    x = 10,725,618,566.54/143,305.04
  6. Step 6: Final answer
    x = 74,844.67

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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.