Home / 212,144.74-292,770.26-131,598.21

Finding the Fourth Proportional to 212,144.74, 292,770.26 and 131,598.21

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Solution

The fourth proportional to 212,144.74, 292,770.26 and 131,598.21 is: 181,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,144.74 : 292,770.26 = 131,598.21 : x
  2. Step 2: Convert to fraction form
    212,144.74/292,770.26 = 131,598.21/x
  3. Step 3: Cross multiply
    212,144.74x = 292,770.26 × 131,598.21
  4. Step 4: Simplify right side
    212,144.74x = 38,528,042,157.23
  5. Step 5: Solve for x
    x = 38,528,042,157.23/212,144.74
  6. Step 6: Final answer
    x = 181,612.05

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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.