Home / 159,081.39-219,526.67-87,460.85

Finding the Fourth Proportional to 159,081.39, 219,526.67 and 87,460.85

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Solution

The fourth proportional to 159,081.39, 219,526.67 and 87,460.85 is: 120,692.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,081.39 : 219,526.67 = 87,460.85 : x
  2. Step 2: Convert to fraction form
    159,081.39/219,526.67 = 87,460.85/x
  3. Step 3: Cross multiply
    159,081.39x = 219,526.67 × 87,460.85
  4. Step 4: Simplify right side
    159,081.39x = 19,199,989,923.34
  5. Step 5: Solve for x
    x = 19,199,989,923.34/159,081.39
  6. Step 6: Final answer
    x = 120,692.87

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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.