Home / 137,744.53-206,522.47-70,145.72

Finding the Fourth Proportional to 137,744.53, 206,522.47 and 70,145.72

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Solution

The fourth proportional to 137,744.53, 206,522.47 and 70,145.72 is: 105,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,744.53 : 206,522.47 = 70,145.72 : x
  2. Step 2: Convert to fraction form
    137,744.53/206,522.47 = 70,145.72/x
  3. Step 3: Cross multiply
    137,744.53x = 206,522.47 × 70,145.72
  4. Step 4: Simplify right side
    137,744.53x = 14,486,666,922.22
  5. Step 5: Solve for x
    x = 14,486,666,922.22/137,744.53
  6. Step 6: Final answer
    x = 105,170.54

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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.