Home / 86,827.01-130,122.92-55,186.58

Finding the Fourth Proportional to 86,827.01, 130,122.92 and 55,186.58

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Solution

The fourth proportional to 86,827.01, 130,122.92 and 55,186.58 is: 82,705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,827.01 : 130,122.92 = 55,186.58 : x
  2. Step 2: Convert to fraction form
    86,827.01/130,122.92 = 55,186.58/x
  3. Step 3: Cross multiply
    86,827.01x = 130,122.92 × 55,186.58
  4. Step 4: Simplify right side
    86,827.01x = 7,181,039,397.69
  5. Step 5: Solve for x
    x = 7,181,039,397.69/86,827.01
  6. Step 6: Final answer
    x = 82,705.14

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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.