Home / 161,899.20-242,848.80-141,163.20

Finding the Fourth Proportional to 161,899.20, 242,848.80 and 141,163.20

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Solution

The fourth proportional to 161,899.20, 242,848.80 and 141,163.20 is: 211,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,899.20 : 242,848.80 = 141,163.20 : x
  2. Step 2: Convert to fraction form
    161,899.20/242,848.80 = 141,163.20/x
  3. Step 3: Cross multiply
    161,899.20x = 242,848.80 × 141,163.20
  4. Step 4: Simplify right side
    161,899.20x = 34,281,313,724.16
  5. Step 5: Solve for x
    x = 34,281,313,724.16/161,899.20
  6. Step 6: Final answer
    x = 211,744.80

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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.