Home / 105,376.11-145,428.74-62,933.73

Finding the Fourth Proportional to 105,376.11, 145,428.74 and 62,933.73

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Solution

The fourth proportional to 105,376.11, 145,428.74 and 62,933.73 is: 86,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,376.11 : 145,428.74 = 62,933.73 : x
  2. Step 2: Convert to fraction form
    105,376.11/145,428.74 = 62,933.73/x
  3. Step 3: Cross multiply
    105,376.11x = 145,428.74 × 62,933.73
  4. Step 4: Simplify right side
    105,376.11x = 9,152,372,742.73
  5. Step 5: Solve for x
    x = 9,152,372,742.73/105,376.11
  6. Step 6: Final answer
    x = 86,854.34

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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.