Home / 103,869.26-143,268.22-63,602.95

Finding the Fourth Proportional to 103,869.26, 143,268.22 and 63,602.95

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Solution

The fourth proportional to 103,869.26, 143,268.22 and 63,602.95 is: 87,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,869.26 : 143,268.22 = 63,602.95 : x
  2. Step 2: Convert to fraction form
    103,869.26/143,268.22 = 63,602.95/x
  3. Step 3: Cross multiply
    103,869.26x = 143,268.22 × 63,602.95
  4. Step 4: Simplify right side
    103,869.26x = 9,112,281,433.25
  5. Step 5: Solve for x
    x = 9,112,281,433.25/103,869.26
  6. Step 6: Final answer
    x = 87,728.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.