Home / 191,702.36-264,543.37-120,121.85

Finding the Fourth Proportional to 191,702.36, 264,543.37 and 120,121.85

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Solution

The fourth proportional to 191,702.36, 264,543.37 and 120,121.85 is: 165,764.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,702.36 : 264,543.37 = 120,121.85 : x
  2. Step 2: Convert to fraction form
    191,702.36/264,543.37 = 120,121.85/x
  3. Step 3: Cross multiply
    191,702.36x = 264,543.37 × 120,121.85
  4. Step 4: Simplify right side
    191,702.36x = 31,777,439,370.69
  5. Step 5: Solve for x
    x = 31,777,439,370.69/191,702.36
  6. Step 6: Final answer
    x = 165,764.46

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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.