Home / 134,644.32-185,740.83-102,757.86

Finding the Fourth Proportional to 134,644.32, 185,740.83 and 102,757.86

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Solution

The fourth proportional to 134,644.32, 185,740.83 and 102,757.86 is: 141,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,644.32 : 185,740.83 = 102,757.86 : x
  2. Step 2: Convert to fraction form
    134,644.32/185,740.83 = 102,757.86/x
  3. Step 3: Cross multiply
    134,644.32x = 185,740.83 × 102,757.86
  4. Step 4: Simplify right side
    134,644.32x = 19,086,330,205.42
  5. Step 5: Solve for x
    x = 19,086,330,205.42/134,644.32
  6. Step 6: Final answer
    x = 141,753.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.