Home / 117,416.90-175,981.01-54,149.20

Finding the Fourth Proportional to 117,416.90, 175,981.01 and 54,149.20

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Solution

The fourth proportional to 117,416.90, 175,981.01 and 54,149.20 is: 81,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,416.90 : 175,981.01 = 54,149.20 : x
  2. Step 2: Convert to fraction form
    117,416.90/175,981.01 = 54,149.20/x
  3. Step 3: Cross multiply
    117,416.90x = 175,981.01 × 54,149.20
  4. Step 4: Simplify right side
    117,416.90x = 9,529,230,162.16
  5. Step 5: Solve for x
    x = 9,529,230,162.16/117,416.90
  6. Step 6: Final answer
    x = 81,157.23

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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.