Home / 242,982.12-335,273.79-140,984.20

Finding the Fourth Proportional to 242,982.12, 335,273.79 and 140,984.20

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Solution

The fourth proportional to 242,982.12, 335,273.79 and 140,984.20 is: 194,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,982.12 : 335,273.79 = 140,984.20 : x
  2. Step 2: Convert to fraction form
    242,982.12/335,273.79 = 140,984.20/x
  3. Step 3: Cross multiply
    242,982.12x = 335,273.79 × 140,984.20
  4. Step 4: Simplify right side
    242,982.12x = 47,268,307,064.12
  5. Step 5: Solve for x
    x = 47,268,307,064.12/242,982.12
  6. Step 6: Final answer
    x = 194,534.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.