Home / 141,764.40-212,427.90-122,956.20

Finding the Fourth Proportional to 141,764.40, 212,427.90 and 122,956.20

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Solution

The fourth proportional to 141,764.40, 212,427.90 and 122,956.20 is: 184,244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,764.40 : 212,427.90 = 122,956.20 : x
  2. Step 2: Convert to fraction form
    141,764.40/212,427.90 = 122,956.20/x
  3. Step 3: Cross multiply
    141,764.40x = 212,427.90 × 122,956.20
  4. Step 4: Simplify right side
    141,764.40x = 26,119,327,357.98
  5. Step 5: Solve for x
    x = 26,119,327,357.98/141,764.40
  6. Step 6: Final answer
    x = 184,244.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.