Home / 85,902.72-118,526.94-83,070.96

Finding the Fourth Proportional to 85,902.72, 118,526.94 and 83,070.96

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Solution

The fourth proportional to 85,902.72, 118,526.94 and 83,070.96 is: 114,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,902.72 : 118,526.94 = 83,070.96 : x
  2. Step 2: Convert to fraction form
    85,902.72/118,526.94 = 83,070.96/x
  3. Step 3: Cross multiply
    85,902.72x = 118,526.94 × 83,070.96
  4. Step 4: Simplify right side
    85,902.72x = 9,846,146,691.66
  5. Step 5: Solve for x
    x = 9,846,146,691.66/85,902.72
  6. Step 6: Final answer
    x = 114,619.73

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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.