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Finding the Fourth Proportional to 113,882.80, 157,155 and 63,580.72

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Solution

The fourth proportional to 113,882.80, 157,155 and 63,580.72 is: 87,739.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,882.80 : 157,155 = 63,580.72 : x
  2. Step 2: Convert to fraction form
    113,882.80/157,155 = 63,580.72/x
  3. Step 3: Cross multiply
    113,882.80x = 157,155 × 63,580.72
  4. Step 4: Simplify right side
    113,882.80x = 9,992,028,051.60
  5. Step 5: Solve for x
    x = 9,992,028,051.60/113,882.80
  6. Step 6: Final answer
    x = 87,739.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.