Home / 214,553.21-296,050.55-128,492.02

Finding the Fourth Proportional to 214,553.21, 296,050.55 and 128,492.02

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Solution

The fourth proportional to 214,553.21, 296,050.55 and 128,492.02 is: 177,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,553.21 : 296,050.55 = 128,492.02 : x
  2. Step 2: Convert to fraction form
    214,553.21/296,050.55 = 128,492.02/x
  3. Step 3: Cross multiply
    214,553.21x = 296,050.55 × 128,492.02
  4. Step 4: Simplify right side
    214,553.21x = 38,040,132,919.21
  5. Step 5: Solve for x
    x = 38,040,132,919.21/214,553.21
  6. Step 6: Final answer
    x = 177,299.30

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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.