Home / 204,142.32-306,275.74-104,372.55

Finding the Fourth Proportional to 204,142.32, 306,275.74 and 104,372.55

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Solution

The fourth proportional to 204,142.32, 306,275.74 and 104,372.55 is: 156,590.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,142.32 : 306,275.74 = 104,372.55 : x
  2. Step 2: Convert to fraction form
    204,142.32/306,275.74 = 104,372.55/x
  3. Step 3: Cross multiply
    204,142.32x = 306,275.74 × 104,372.55
  4. Step 4: Simplify right side
    204,142.32x = 31,966,779,986.94
  5. Step 5: Solve for x
    x = 31,966,779,986.94/204,142.32
  6. Step 6: Final answer
    x = 156,590.66

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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.