Home / 105,425.73-145,473.15-62,975.25

Finding the Fourth Proportional to 105,425.73, 145,473.15 and 62,975.25

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Solution

The fourth proportional to 105,425.73, 145,473.15 and 62,975.25 is: 86,897.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,425.73 : 145,473.15 = 62,975.25 : x
  2. Step 2: Convert to fraction form
    105,425.73/145,473.15 = 62,975.25/x
  3. Step 3: Cross multiply
    105,425.73x = 145,473.15 × 62,975.25
  4. Step 4: Simplify right side
    105,425.73x = 9,161,207,989.54
  5. Step 5: Solve for x
    x = 9,161,207,989.54/105,425.73
  6. Step 6: Final answer
    x = 86,897.27

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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.