Home / 103,895.36-155,827.68-38,216

Finding the Fourth Proportional to 103,895.36, 155,827.68 and 38,216

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Solution

The fourth proportional to 103,895.36, 155,827.68 and 38,216 is: 57,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,895.36 : 155,827.68 = 38,216 : x
  2. Step 2: Convert to fraction form
    103,895.36/155,827.68 = 38,216/x
  3. Step 3: Cross multiply
    103,895.36x = 155,827.68 × 38,216
  4. Step 4: Simplify right side
    103,895.36x = 5,955,110,618.88
  5. Step 5: Solve for x
    x = 5,955,110,618.88/103,895.36
  6. Step 6: Final answer
    x = 57,318.35

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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.