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Finding the Fourth Proportional to 113,791.17, 157,031.76 and 63,490.17

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Solution

The fourth proportional to 113,791.17, 157,031.76 and 63,490.17 is: 87,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,791.17 : 157,031.76 = 63,490.17 : x
  2. Step 2: Convert to fraction form
    113,791.17/157,031.76 = 63,490.17/x
  3. Step 3: Cross multiply
    113,791.17x = 157,031.76 × 63,490.17
  4. Step 4: Simplify right side
    113,791.17x = 9,969,973,137.80
  5. Step 5: Solve for x
    x = 9,969,973,137.80/113,791.17
  6. Step 6: Final answer
    x = 87,616.40

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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.