Home / 145,279.44-217,931.70-40,098.42

Finding the Fourth Proportional to 145,279.44, 217,931.70 and 40,098.42

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Solution

The fourth proportional to 145,279.44, 217,931.70 and 40,098.42 is: 60,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,279.44 : 217,931.70 = 40,098.42 : x
  2. Step 2: Convert to fraction form
    145,279.44/217,931.70 = 40,098.42/x
  3. Step 3: Cross multiply
    145,279.44x = 217,931.70 × 40,098.42
  4. Step 4: Simplify right side
    145,279.44x = 8,738,716,837.91
  5. Step 5: Solve for x
    x = 8,738,716,837.91/145,279.44
  6. Step 6: Final answer
    x = 60,151.09

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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.