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Finding the Fourth Proportional to 117,599.72, 176,401.18 and 34,495.40

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Solution

The fourth proportional to 117,599.72, 176,401.18 and 34,495.40 is: 51,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,599.72 : 176,401.18 = 34,495.40 : x
  2. Step 2: Convert to fraction form
    117,599.72/176,401.18 = 34,495.40/x
  3. Step 3: Cross multiply
    117,599.72x = 176,401.18 × 34,495.40
  4. Step 4: Simplify right side
    117,599.72x = 6,085,029,264.57
  5. Step 5: Solve for x
    x = 6,085,029,264.57/117,599.72
  6. Step 6: Final answer
    x = 51,743.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.