Home / 117,169.60-161,692.05-63,454.18

Finding the Fourth Proportional to 117,169.60, 161,692.05 and 63,454.18

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Solution

The fourth proportional to 117,169.60, 161,692.05 and 63,454.18 is: 87,565.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,169.60 : 161,692.05 = 63,454.18 : x
  2. Step 2: Convert to fraction form
    117,169.60/161,692.05 = 63,454.18/x
  3. Step 3: Cross multiply
    117,169.60x = 161,692.05 × 63,454.18
  4. Step 4: Simplify right side
    117,169.60x = 10,260,036,445.27
  5. Step 5: Solve for x
    x = 10,260,036,445.27/117,169.60
  6. Step 6: Final answer
    x = 87,565.69

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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.