Home / 103,953.72-143,423.38-63,625.44

Finding the Fourth Proportional to 103,953.72, 143,423.38 and 63,625.44

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Solution

The fourth proportional to 103,953.72, 143,423.38 and 63,625.44 is: 87,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,953.72 : 143,423.38 = 63,625.44 : x
  2. Step 2: Convert to fraction form
    103,953.72/143,423.38 = 63,625.44/x
  3. Step 3: Cross multiply
    103,953.72x = 143,423.38 × 63,625.44
  4. Step 4: Simplify right side
    103,953.72x = 9,125,375,658.79
  5. Step 5: Solve for x
    x = 9,125,375,658.79/103,953.72
  6. Step 6: Final answer
    x = 87,783.06

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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.