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Finding the Fourth Proportional to 117,149.76, 175,746.24 and 47,027.52

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Solution

The fourth proportional to 117,149.76, 175,746.24 and 47,027.52 is: 70,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,149.76 : 175,746.24 = 47,027.52 : x
  2. Step 2: Convert to fraction form
    117,149.76/175,746.24 = 47,027.52/x
  3. Step 3: Cross multiply
    117,149.76x = 175,746.24 × 47,027.52
  4. Step 4: Simplify right side
    117,149.76x = 8,264,909,816.52
  5. Step 5: Solve for x
    x = 8,264,909,816.52/117,149.76
  6. Step 6: Final answer
    x = 70,549.95

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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.