Home / 146,145.10-219,217.65-98,905.90

Finding the Fourth Proportional to 146,145.10, 219,217.65 and 98,905.90

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Solution

The fourth proportional to 146,145.10, 219,217.65 and 98,905.90 is: 148,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,145.10 : 219,217.65 = 98,905.90 : x
  2. Step 2: Convert to fraction form
    146,145.10/219,217.65 = 98,905.90/x
  3. Step 3: Cross multiply
    146,145.10x = 219,217.65 × 98,905.90
  4. Step 4: Simplify right side
    146,145.10x = 21,681,918,969.14
  5. Step 5: Solve for x
    x = 21,681,918,969.14/146,145.10
  6. Step 6: Final answer
    x = 148,358.85

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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.