Home / 86,812.40-130,228.16-27,634.21

Finding the Fourth Proportional to 86,812.40, 130,228.16 and 27,634.21

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Solution

The fourth proportional to 86,812.40, 130,228.16 and 27,634.21 is: 41,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,812.40 : 130,228.16 = 27,634.21 : x
  2. Step 2: Convert to fraction form
    86,812.40/130,228.16 = 27,634.21/x
  3. Step 3: Cross multiply
    86,812.40x = 130,228.16 × 27,634.21
  4. Step 4: Simplify right side
    86,812.40x = 3,598,751,857.61
  5. Step 5: Solve for x
    x = 3,598,751,857.61/86,812.40
  6. Step 6: Final answer
    x = 41,454.35

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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.