Home / 116,513.80-174,900.30-72,190.60

Finding the Fourth Proportional to 116,513.80, 174,900.30 and 72,190.60

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Solution

The fourth proportional to 116,513.80, 174,900.30 and 72,190.60 is: 108,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,513.80 : 174,900.30 = 72,190.60 : x
  2. Step 2: Convert to fraction form
    116,513.80/174,900.30 = 72,190.60/x
  3. Step 3: Cross multiply
    116,513.80x = 174,900.30 × 72,190.60
  4. Step 4: Simplify right side
    116,513.80x = 12,626,157,597.18
  5. Step 5: Solve for x
    x = 12,626,157,597.18/116,513.80
  6. Step 6: Final answer
    x = 108,366.20

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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.