Home / 105,350.14-145,385.82-63,957.62

Finding the Fourth Proportional to 105,350.14, 145,385.82 and 63,957.62

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Solution

The fourth proportional to 105,350.14, 145,385.82 and 63,957.62 is: 88,263.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,350.14 : 145,385.82 = 63,957.62 : x
  2. Step 2: Convert to fraction form
    105,350.14/145,385.82 = 63,957.62/x
  3. Step 3: Cross multiply
    105,350.14x = 145,385.82 × 63,957.62
  4. Step 4: Simplify right side
    105,350.14x = 9,298,531,028.95
  5. Step 5: Solve for x
    x = 9,298,531,028.95/105,350.14
  6. Step 6: Final answer
    x = 88,263.11

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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.