Home / 155,256.72-214,251.32-97,884.40

Finding the Fourth Proportional to 155,256.72, 214,251.32 and 97,884.40

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Solution

The fourth proportional to 155,256.72, 214,251.32 and 97,884.40 is: 135,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,256.72 : 214,251.32 = 97,884.40 : x
  2. Step 2: Convert to fraction form
    155,256.72/214,251.32 = 97,884.40/x
  3. Step 3: Cross multiply
    155,256.72x = 214,251.32 × 97,884.40
  4. Step 4: Simplify right side
    155,256.72x = 20,971,861,907.41
  5. Step 5: Solve for x
    x = 20,971,861,907.41/155,256.72
  6. Step 6: Final answer
    x = 135,078.61

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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.