Home / 131,723.79-197,606.26-42,956.65

Finding the Fourth Proportional to 131,723.79, 197,606.26 and 42,956.65

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Solution

The fourth proportional to 131,723.79, 197,606.26 and 42,956.65 is: 64,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,723.79 : 197,606.26 = 42,956.65 : x
  2. Step 2: Convert to fraction form
    131,723.79/197,606.26 = 42,956.65/x
  3. Step 3: Cross multiply
    131,723.79x = 197,606.26 × 42,956.65
  4. Step 4: Simplify right side
    131,723.79x = 8,488,502,948.63
  5. Step 5: Solve for x
    x = 8,488,502,948.63/131,723.79
  6. Step 6: Final answer
    x = 64,441.68

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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.