Home / 171,136.08-256,708.08-58,815.36

Finding the Fourth Proportional to 171,136.08, 256,708.08 and 58,815.36

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Solution

The fourth proportional to 171,136.08, 256,708.08 and 58,815.36 is: 88,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,136.08 : 256,708.08 = 58,815.36 : x
  2. Step 2: Convert to fraction form
    171,136.08/256,708.08 = 58,815.36/x
  3. Step 3: Cross multiply
    171,136.08x = 256,708.08 × 58,815.36
  4. Step 4: Simplify right side
    171,136.08x = 15,098,378,140.11
  5. Step 5: Solve for x
    x = 15,098,378,140.11/171,136.08
  6. Step 6: Final answer
    x = 88,224.40

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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.