Home / 107,518.83-161,280.46-39,128.04

Finding the Fourth Proportional to 107,518.83, 161,280.46 and 39,128.04

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Solution

The fourth proportional to 107,518.83, 161,280.46 and 39,128.04 is: 58,692.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,518.83 : 161,280.46 = 39,128.04 : x
  2. Step 2: Convert to fraction form
    107,518.83/161,280.46 = 39,128.04/x
  3. Step 3: Cross multiply
    107,518.83x = 161,280.46 × 39,128.04
  4. Step 4: Simplify right side
    107,518.83x = 6,310,588,290.10
  5. Step 5: Solve for x
    x = 6,310,588,290.10/107,518.83
  6. Step 6: Final answer
    x = 58,692.87

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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.