Home / 86,835.51-130,251.83-27,670.37

Finding the Fourth Proportional to 86,835.51, 130,251.83 and 27,670.37

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Solution

The fourth proportional to 86,835.51, 130,251.83 and 27,670.37 is: 41,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,835.51 : 130,251.83 = 27,670.37 : x
  2. Step 2: Convert to fraction form
    86,835.51/130,251.83 = 27,670.37/x
  3. Step 3: Cross multiply
    86,835.51x = 130,251.83 × 27,670.37
  4. Step 4: Simplify right side
    86,835.51x = 3,604,115,539.67
  5. Step 5: Solve for x
    x = 3,604,115,539.67/86,835.51
  6. Step 6: Final answer
    x = 41,505.09

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1.5x scale

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.