Home / 127,761.10-191,714.55-48,931.90

Finding the Fourth Proportional to 127,761.10, 191,714.55 and 48,931.90

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Solution

The fourth proportional to 127,761.10, 191,714.55 and 48,931.90 is: 73,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,761.10 : 191,714.55 = 48,931.90 : x
  2. Step 2: Convert to fraction form
    127,761.10/191,714.55 = 48,931.90/x
  3. Step 3: Cross multiply
    127,761.10x = 191,714.55 × 48,931.90
  4. Step 4: Simplify right side
    127,761.10x = 9,380,957,189.15
  5. Step 5: Solve for x
    x = 9,380,957,189.15/127,761.10
  6. Step 6: Final answer
    x = 73,425.77

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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.