Home / 137,579.10-206,368.65-106,475.10

Finding the Fourth Proportional to 137,579.10, 206,368.65 and 106,475.10

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Solution

The fourth proportional to 137,579.10, 206,368.65 and 106,475.10 is: 159,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,579.10 : 206,368.65 = 106,475.10 : x
  2. Step 2: Convert to fraction form
    137,579.10/206,368.65 = 106,475.10/x
  3. Step 3: Cross multiply
    137,579.10x = 206,368.65 × 106,475.10
  4. Step 4: Simplify right side
    137,579.10x = 21,973,122,645.62
  5. Step 5: Solve for x
    x = 21,973,122,645.62/137,579.10
  6. Step 6: Final answer
    x = 159,712.65

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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.