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Finding the Fourth Proportional to 117,535.60, 176,404.20 and 47,465.20

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Solution

The fourth proportional to 117,535.60, 176,404.20 and 47,465.20 is: 71,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,535.60 : 176,404.20 = 47,465.20 : x
  2. Step 2: Convert to fraction form
    117,535.60/176,404.20 = 47,465.20/x
  3. Step 3: Cross multiply
    117,535.60x = 176,404.20 × 47,465.20
  4. Step 4: Simplify right side
    117,535.60x = 8,373,060,633.84
  5. Step 5: Solve for x
    x = 8,373,060,633.84/117,535.60
  6. Step 6: Final answer
    x = 71,238.51

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1.5x scale

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.