Home / 158,539.20-218,620.80-110,775.12

Finding the Fourth Proportional to 158,539.20, 218,620.80 and 110,775.12

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Solution

The fourth proportional to 158,539.20, 218,620.80 and 110,775.12 is: 152,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,539.20 : 218,620.80 = 110,775.12 : x
  2. Step 2: Convert to fraction form
    158,539.20/218,620.80 = 110,775.12/x
  3. Step 3: Cross multiply
    158,539.20x = 218,620.80 × 110,775.12
  4. Step 4: Simplify right side
    158,539.20x = 24,217,745,354.50
  5. Step 5: Solve for x
    x = 24,217,745,354.50/158,539.20
  6. Step 6: Final answer
    x = 152,755.57

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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.