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Finding the Fourth Proportional to 117,090.80, 175,247.40 and 117,090.80

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Solution

The fourth proportional to 117,090.80, 175,247.40 and 117,090.80 is: 175,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,090.80 : 175,247.40 = 117,090.80 : x
  2. Step 2: Convert to fraction form
    117,090.80/175,247.40 = 117,090.80/x
  3. Step 3: Cross multiply
    117,090.80x = 175,247.40 × 117,090.80
  4. Step 4: Simplify right side
    117,090.80x = 20,519,858,263.92
  5. Step 5: Solve for x
    x = 20,519,858,263.92/117,090.80
  6. Step 6: Final answer
    x = 175,247.40

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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.