Home / 140,811.28-210,713.64-122,309.32

Finding the Fourth Proportional to 140,811.28, 210,713.64 and 122,309.32

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Solution

The fourth proportional to 140,811.28, 210,713.64 and 122,309.32 is: 183,026.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,811.28 : 210,713.64 = 122,309.32 : x
  2. Step 2: Convert to fraction form
    140,811.28/210,713.64 = 122,309.32/x
  3. Step 3: Cross multiply
    140,811.28x = 210,713.64 × 122,309.32
  4. Step 4: Simplify right side
    140,811.28x = 25,772,242,023.12
  5. Step 5: Solve for x
    x = 25,772,242,023.12/140,811.28
  6. Step 6: Final answer
    x = 183,026.83

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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.