Home / 159,583.11-220,234.55-87,962.96

Finding the Fourth Proportional to 159,583.11, 220,234.55 and 87,962.96

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Solution

The fourth proportional to 159,583.11, 220,234.55 and 87,962.96 is: 121,394.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,583.11 : 220,234.55 = 87,962.96 : x
  2. Step 2: Convert to fraction form
    159,583.11/220,234.55 = 87,962.96/x
  3. Step 3: Cross multiply
    159,583.11x = 220,234.55 × 87,962.96
  4. Step 4: Simplify right side
    159,583.11x = 19,372,483,023.04
  5. Step 5: Solve for x
    x = 19,372,483,023.04/159,583.11
  6. Step 6: Final answer
    x = 121,394.32

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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.