Home / 136,372.46-204,590.87-42,878.21

Finding the Fourth Proportional to 136,372.46, 204,590.87 and 42,878.21

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Solution

The fourth proportional to 136,372.46, 204,590.87 and 42,878.21 is: 64,327.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,372.46 : 204,590.87 = 42,878.21 : x
  2. Step 2: Convert to fraction form
    136,372.46/204,590.87 = 42,878.21/x
  3. Step 3: Cross multiply
    136,372.46x = 204,590.87 × 42,878.21
  4. Step 4: Simplify right side
    136,372.46x = 8,772,489,050.60
  5. Step 5: Solve for x
    x = 8,772,489,050.60/136,372.46
  6. Step 6: Final answer
    x = 64,327.43

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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.