Home / 86,873.61-130,227.18-27,670.92

Finding the Fourth Proportional to 86,873.61, 130,227.18 and 27,670.92

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Solution

The fourth proportional to 86,873.61, 130,227.18 and 27,670.92 is: 41,479.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,873.61 : 130,227.18 = 27,670.92 : x
  2. Step 2: Convert to fraction form
    86,873.61/130,227.18 = 27,670.92/x
  3. Step 3: Cross multiply
    86,873.61x = 130,227.18 × 27,670.92
  4. Step 4: Simplify right side
    86,873.61x = 3,603,505,879.61
  5. Step 5: Solve for x
    x = 3,603,505,879.61/86,873.61
  6. Step 6: Final answer
    x = 41,479.87

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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.