Home / 108,435.20-162,725.70-61,050.20

Finding the Fourth Proportional to 108,435.20, 162,725.70 and 61,050.20

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Solution

The fourth proportional to 108,435.20, 162,725.70 and 61,050.20 is: 91,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,435.20 : 162,725.70 = 61,050.20 : x
  2. Step 2: Convert to fraction form
    108,435.20/162,725.70 = 61,050.20/x
  3. Step 3: Cross multiply
    108,435.20x = 162,725.70 × 61,050.20
  4. Step 4: Simplify right side
    108,435.20x = 9,934,436,530.14
  5. Step 5: Solve for x
    x = 9,934,436,530.14/108,435.20
  6. Step 6: Final answer
    x = 91,616.34

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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.