Home / 103,347.36-142,634.97-63,084.60

Finding the Fourth Proportional to 103,347.36, 142,634.97 and 63,084.60

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Solution

The fourth proportional to 103,347.36, 142,634.97 and 63,084.60 is: 87,066.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,347.36 : 142,634.97 = 63,084.60 : x
  2. Step 2: Convert to fraction form
    103,347.36/142,634.97 = 63,084.60/x
  3. Step 3: Cross multiply
    103,347.36x = 142,634.97 × 63,084.60
  4. Step 4: Simplify right side
    103,347.36x = 8,998,070,028.46
  5. Step 5: Solve for x
    x = 8,998,070,028.46/103,347.36
  6. Step 6: Final answer
    x = 87,066.28

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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.