Home / 109,279.38-163,875.96-53,102.85

Finding the Fourth Proportional to 109,279.38, 163,875.96 and 53,102.85

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Solution

The fourth proportional to 109,279.38, 163,875.96 and 53,102.85 is: 79,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,279.38 : 163,875.96 = 53,102.85 : x
  2. Step 2: Convert to fraction form
    109,279.38/163,875.96 = 53,102.85/x
  3. Step 3: Cross multiply
    109,279.38x = 163,875.96 × 53,102.85
  4. Step 4: Simplify right side
    109,279.38x = 8,702,280,522.49
  5. Step 5: Solve for x
    x = 8,702,280,522.49/109,279.38
  6. Step 6: Final answer
    x = 79,633.33

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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.