Home / 165,561.28-248,316.72-60,380.32

Finding the Fourth Proportional to 165,561.28, 248,316.72 and 60,380.32

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Solution

The fourth proportional to 165,561.28, 248,316.72 and 60,380.32 is: 90,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,561.28 : 248,316.72 = 60,380.32 : x
  2. Step 2: Convert to fraction form
    165,561.28/248,316.72 = 60,380.32/x
  3. Step 3: Cross multiply
    165,561.28x = 248,316.72 × 60,380.32
  4. Step 4: Simplify right side
    165,561.28x = 14,993,443,014.95
  5. Step 5: Solve for x
    x = 14,993,443,014.95/165,561.28
  6. Step 6: Final answer
    x = 90,561.29

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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.