Home / 214,436.96-296,122.20-138,088.56

Finding the Fourth Proportional to 214,436.96, 296,122.20 and 138,088.56

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Solution

The fourth proportional to 214,436.96, 296,122.20 and 138,088.56 is: 190,690.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,436.96 : 296,122.20 = 138,088.56 : x
  2. Step 2: Convert to fraction form
    214,436.96/296,122.20 = 138,088.56/x
  3. Step 3: Cross multiply
    214,436.96x = 296,122.20 × 138,088.56
  4. Step 4: Simplify right side
    214,436.96x = 40,891,088,182.03
  5. Step 5: Solve for x
    x = 40,891,088,182.03/214,436.96
  6. Step 6: Final answer
    x = 190,690.49

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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.