Home / 86,748.53-130,134.96-26,781.89

Finding the Fourth Proportional to 86,748.53, 130,134.96 and 26,781.89

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Solution

The fourth proportional to 86,748.53, 130,134.96 and 26,781.89 is: 40,176.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,748.53 : 130,134.96 = 26,781.89 : x
  2. Step 2: Convert to fraction form
    86,748.53/130,134.96 = 26,781.89/x
  3. Step 3: Cross multiply
    86,748.53x = 130,134.96 × 26,781.89
  4. Step 4: Simplify right side
    86,748.53x = 3,485,259,533.20
  5. Step 5: Solve for x
    x = 3,485,259,533.20/86,748.53
  6. Step 6: Final answer
    x = 40,176.59

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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.