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Finding the Fourth Proportional to 180,104.95, 270,157.42 and 67,810.36

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Solution

The fourth proportional to 180,104.95, 270,157.42 and 67,810.36 is: 101,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,104.95 : 270,157.42 = 67,810.36 : x
  2. Step 2: Convert to fraction form
    180,104.95/270,157.42 = 67,810.36/x
  3. Step 3: Cross multiply
    180,104.95x = 270,157.42 × 67,810.36
  4. Step 4: Simplify right side
    180,104.95x = 18,319,471,061.95
  5. Step 5: Solve for x
    x = 18,319,471,061.95/180,104.95
  6. Step 6: Final answer
    x = 101,715.53

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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.