Home / 109,739.64-164,534.58-52,783.47

Finding the Fourth Proportional to 109,739.64, 164,534.58 and 52,783.47

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Solution

The fourth proportional to 109,739.64, 164,534.58 and 52,783.47 is: 79,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,739.64 : 164,534.58 = 52,783.47 : x
  2. Step 2: Convert to fraction form
    109,739.64/164,534.58 = 52,783.47/x
  3. Step 3: Cross multiply
    109,739.64x = 164,534.58 × 52,783.47
  4. Step 4: Simplify right side
    109,739.64x = 8,684,706,067.39
  5. Step 5: Solve for x
    x = 8,684,706,067.39/109,739.64
  6. Step 6: Final answer
    x = 79,139.19

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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.