Home / 155,683.35-214,863.44-87,713.44

Finding the Fourth Proportional to 155,683.35, 214,863.44 and 87,713.44

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Solution

The fourth proportional to 155,683.35, 214,863.44 and 87,713.44 is: 121,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,683.35 : 214,863.44 = 87,713.44 : x
  2. Step 2: Convert to fraction form
    155,683.35/214,863.44 = 87,713.44/x
  3. Step 3: Cross multiply
    155,683.35x = 214,863.44 × 87,713.44
  4. Step 4: Simplify right side
    155,683.35x = 18,846,411,081.21
  5. Step 5: Solve for x
    x = 18,846,411,081.21/155,683.35
  6. Step 6: Final answer
    x = 121,056.05

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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.