Home / 134,821.80-201,965.40-118,200.60

Finding the Fourth Proportional to 134,821.80, 201,965.40 and 118,200.60

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Solution

The fourth proportional to 134,821.80, 201,965.40 and 118,200.60 is: 177,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,821.80 : 201,965.40 = 118,200.60 : x
  2. Step 2: Convert to fraction form
    134,821.80/201,965.40 = 118,200.60/x
  3. Step 3: Cross multiply
    134,821.80x = 201,965.40 × 118,200.60
  4. Step 4: Simplify right side
    134,821.80x = 23,872,431,459.24
  5. Step 5: Solve for x
    x = 23,872,431,459.24/134,821.80
  6. Step 6: Final answer
    x = 177,066.55

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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.