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Finding the Fourth Proportional to 115,752, 173,627.58 and 36,872.58

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Solution

The fourth proportional to 115,752, 173,627.58 and 36,872.58 is: 55,308.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,752 : 173,627.58 = 36,872.58 : x
  2. Step 2: Convert to fraction form
    115,752/173,627.58 = 36,872.58/x
  3. Step 3: Cross multiply
    115,752x = 173,627.58 × 36,872.58
  4. Step 4: Simplify right side
    115,752x = 6,402,096,833.76
  5. Step 5: Solve for x
    x = 6,402,096,833.76/115,752
  6. Step 6: Final answer
    x = 55,308.74

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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.