Home / 86,815.46-130,232.54-27,637.29

Finding the Fourth Proportional to 86,815.46, 130,232.54 and 27,637.29

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Solution

The fourth proportional to 86,815.46, 130,232.54 and 27,637.29 is: 41,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,815.46 : 130,232.54 = 27,637.29 : x
  2. Step 2: Convert to fraction form
    86,815.46/130,232.54 = 27,637.29/x
  3. Step 3: Cross multiply
    86,815.46x = 130,232.54 × 27,637.29
  4. Step 4: Simplify right side
    86,815.46x = 3,599,274,544.51
  5. Step 5: Solve for x
    x = 3,599,274,544.51/86,815.46
  6. Step 6: Final answer
    x = 41,458.91

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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.