Home / 104,811.72-144,607.74-63,984.60

Finding the Fourth Proportional to 104,811.72, 144,607.74 and 63,984.60

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Solution

The fourth proportional to 104,811.72, 144,607.74 and 63,984.60 is: 88,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,811.72 : 144,607.74 = 63,984.60 : x
  2. Step 2: Convert to fraction form
    104,811.72/144,607.74 = 63,984.60/x
  3. Step 3: Cross multiply
    104,811.72x = 144,607.74 × 63,984.60
  4. Step 4: Simplify right side
    104,811.72x = 9,252,668,400.80
  5. Step 5: Solve for x
    x = 9,252,668,400.80/104,811.72
  6. Step 6: Final answer
    x = 88,278.95

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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.