Home / 215,964.60-323,946.90-103,625.70

Finding the Fourth Proportional to 215,964.60, 323,946.90 and 103,625.70

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Solution

The fourth proportional to 215,964.60, 323,946.90 and 103,625.70 is: 155,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,964.60 : 323,946.90 = 103,625.70 : x
  2. Step 2: Convert to fraction form
    215,964.60/323,946.90 = 103,625.70/x
  3. Step 3: Cross multiply
    215,964.60x = 323,946.90 × 103,625.70
  4. Step 4: Simplify right side
    215,964.60x = 33,569,224,275.33
  5. Step 5: Solve for x
    x = 33,569,224,275.33/215,964.60
  6. Step 6: Final answer
    x = 155,438.55

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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.