Home / 109,593.12-164,429.16-38,535.36

Finding the Fourth Proportional to 109,593.12, 164,429.16 and 38,535.36

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Solution

The fourth proportional to 109,593.12, 164,429.16 and 38,535.36 is: 57,816.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,593.12 : 164,429.16 = 38,535.36 : x
  2. Step 2: Convert to fraction form
    109,593.12/164,429.16 = 38,535.36/x
  3. Step 3: Cross multiply
    109,593.12x = 164,429.16 × 38,535.36
  4. Step 4: Simplify right side
    109,593.12x = 6,336,336,875.10
  5. Step 5: Solve for x
    x = 6,336,336,875.10/109,593.12
  6. Step 6: Final answer
    x = 57,816.92

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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.