Home / 147,719.32-221,634.81-57,826.27

Finding the Fourth Proportional to 147,719.32, 221,634.81 and 57,826.27

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Solution

The fourth proportional to 147,719.32, 221,634.81 and 57,826.27 is: 86,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,719.32 : 221,634.81 = 57,826.27 : x
  2. Step 2: Convert to fraction form
    147,719.32/221,634.81 = 57,826.27/x
  3. Step 3: Cross multiply
    147,719.32x = 221,634.81 × 57,826.27
  4. Step 4: Simplify right side
    147,719.32x = 12,816,313,810.37
  5. Step 5: Solve for x
    x = 12,816,313,810.37/147,719.32
  6. Step 6: Final answer
    x = 86,761.26

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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.