Home / 181,538.80-272,308.20-131,383.60

Finding the Fourth Proportional to 181,538.80, 272,308.20 and 131,383.60

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Solution

The fourth proportional to 181,538.80, 272,308.20 and 131,383.60 is: 197,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,538.80 : 272,308.20 = 131,383.60 : x
  2. Step 2: Convert to fraction form
    181,538.80/272,308.20 = 131,383.60/x
  3. Step 3: Cross multiply
    181,538.80x = 272,308.20 × 131,383.60
  4. Step 4: Simplify right side
    181,538.80x = 35,776,831,625.52
  5. Step 5: Solve for x
    x = 35,776,831,625.52/181,538.80
  6. Step 6: Final answer
    x = 197,075.40

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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.