Home / 131,519.95-181,497.42-71,090.60

Finding the Fourth Proportional to 131,519.95, 181,497.42 and 71,090.60

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Solution

The fourth proportional to 131,519.95, 181,497.42 and 71,090.60 is: 98,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,519.95 : 181,497.42 = 71,090.60 : x
  2. Step 2: Convert to fraction form
    131,519.95/181,497.42 = 71,090.60/x
  3. Step 3: Cross multiply
    131,519.95x = 181,497.42 × 71,090.60
  4. Step 4: Simplify right side
    131,519.95x = 12,902,760,486.25
  5. Step 5: Solve for x
    x = 12,902,760,486.25/131,519.95
  6. Step 6: Final answer
    x = 98,104.97

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1.5x scale

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.