Home / 161,338.28-242,073.88-71,333.64

Finding the Fourth Proportional to 161,338.28, 242,073.88 and 71,333.64

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Solution

The fourth proportional to 161,338.28, 242,073.88 and 71,333.64 is: 107,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,338.28 : 242,073.88 = 71,333.64 : x
  2. Step 2: Convert to fraction form
    161,338.28/242,073.88 = 71,333.64/x
  3. Step 3: Cross multiply
    161,338.28x = 242,073.88 × 71,333.64
  4. Step 4: Simplify right side
    161,338.28x = 17,268,011,009.32
  5. Step 5: Solve for x
    x = 17,268,011,009.32/161,338.28
  6. Step 6: Final answer
    x = 107,029.84

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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.