Home / 159,780.26-239,670.40-54,600.14

Finding the Fourth Proportional to 159,780.26, 239,670.40 and 54,600.14

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Solution

The fourth proportional to 159,780.26, 239,670.40 and 54,600.14 is: 81,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,780.26 : 239,670.40 = 54,600.14 : x
  2. Step 2: Convert to fraction form
    159,780.26/239,670.40 = 54,600.14/x
  3. Step 3: Cross multiply
    159,780.26x = 239,670.40 × 54,600.14
  4. Step 4: Simplify right side
    159,780.26x = 13,086,037,393.86
  5. Step 5: Solve for x
    x = 13,086,037,393.86/159,780.26
  6. Step 6: Final answer
    x = 81,900.21

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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.