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Finding the Fourth Proportional to 117,176.87, 175,773.51 and 47,056.17

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Solution

The fourth proportional to 117,176.87, 175,773.51 and 47,056.17 is: 70,587.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,176.87 : 175,773.51 = 47,056.17 : x
  2. Step 2: Convert to fraction form
    117,176.87/175,773.51 = 47,056.17/x
  3. Step 3: Cross multiply
    117,176.87x = 175,773.51 × 47,056.17
  4. Step 4: Simplify right side
    117,176.87x = 8,271,228,168.06
  5. Step 5: Solve for x
    x = 8,271,228,168.06/117,176.87
  6. Step 6: Final answer
    x = 70,587.55

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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.