Home / 224,369.76-309,631.92-123,771.36

Finding the Fourth Proportional to 224,369.76, 309,631.92 and 123,771.36

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Solution

The fourth proportional to 224,369.76, 309,631.92 and 123,771.36 is: 170,805.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,369.76 : 309,631.92 = 123,771.36 : x
  2. Step 2: Convert to fraction form
    224,369.76/309,631.92 = 123,771.36/x
  3. Step 3: Cross multiply
    224,369.76x = 309,631.92 × 123,771.36
  4. Step 4: Simplify right side
    224,369.76x = 38,323,563,837.81
  5. Step 5: Solve for x
    x = 38,323,563,837.81/224,369.76
  6. Step 6: Final answer
    x = 170,805.39

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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.