Home / 164,041.40-246,215.19-84,139.36

Finding the Fourth Proportional to 164,041.40, 246,215.19 and 84,139.36

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Solution

The fourth proportional to 164,041.40, 246,215.19 and 84,139.36 is: 126,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,041.40 : 246,215.19 = 84,139.36 : x
  2. Step 2: Convert to fraction form
    164,041.40/246,215.19 = 84,139.36/x
  3. Step 3: Cross multiply
    164,041.40x = 246,215.19 × 84,139.36
  4. Step 4: Simplify right side
    164,041.40x = 20,716,388,208.86
  5. Step 5: Solve for x
    x = 20,716,388,208.86/164,041.40
  6. Step 6: Final answer
    x = 126,287.56

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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.