Home / 136,028.70-204,043.05-121,254.30

Finding the Fourth Proportional to 136,028.70, 204,043.05 and 121,254.30

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Solution

The fourth proportional to 136,028.70, 204,043.05 and 121,254.30 is: 181,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,028.70 : 204,043.05 = 121,254.30 : x
  2. Step 2: Convert to fraction form
    136,028.70/204,043.05 = 121,254.30/x
  3. Step 3: Cross multiply
    136,028.70x = 204,043.05 × 121,254.30
  4. Step 4: Simplify right side
    136,028.70x = 24,741,097,197.62
  5. Step 5: Solve for x
    x = 24,741,097,197.62/136,028.70
  6. Step 6: Final answer
    x = 181,881.45

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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.