Home / 211,956.46-292,427.60-131,354.57

Finding the Fourth Proportional to 211,956.46, 292,427.60 and 131,354.57

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Solution

The fourth proportional to 211,956.46, 292,427.60 and 131,354.57 is: 181,224.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,956.46 : 292,427.60 = 131,354.57 : x
  2. Step 2: Convert to fraction form
    211,956.46/292,427.60 = 131,354.57/x
  3. Step 3: Cross multiply
    211,956.46x = 292,427.60 × 131,354.57
  4. Step 4: Simplify right side
    211,956.46x = 38,411,701,728.43
  5. Step 5: Solve for x
    x = 38,411,701,728.43/211,956.46
  6. Step 6: Final answer
    x = 181,224.49

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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.