Home / 109,703.88-164,557.35-38,628.81

Finding the Fourth Proportional to 109,703.88, 164,557.35 and 38,628.81

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Solution

The fourth proportional to 109,703.88, 164,557.35 and 38,628.81 is: 57,943.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,703.88 : 164,557.35 = 38,628.81 : x
  2. Step 2: Convert to fraction form
    109,703.88/164,557.35 = 38,628.81/x
  3. Step 3: Cross multiply
    109,703.88x = 164,557.35 × 38,628.81
  4. Step 4: Simplify right side
    109,703.88x = 6,356,654,607.25
  5. Step 5: Solve for x
    x = 6,356,654,607.25/109,703.88
  6. Step 6: Final answer
    x = 57,943.75

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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.