Home / 155,899.86-215,090.82-95,407.44

Finding the Fourth Proportional to 155,899.86, 215,090.82 and 95,407.44

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Solution

The fourth proportional to 155,899.86, 215,090.82 and 95,407.44 is: 131,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,899.86 : 215,090.82 = 95,407.44 : x
  2. Step 2: Convert to fraction form
    155,899.86/215,090.82 = 95,407.44/x
  3. Step 3: Cross multiply
    155,899.86x = 215,090.82 × 95,407.44
  4. Step 4: Simplify right side
    155,899.86x = 20,521,264,503.70
  5. Step 5: Solve for x
    x = 20,521,264,503.70/155,899.86
  6. Step 6: Final answer
    x = 131,631.06

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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.