Home / 102,056.62-140,827.11-56,736.55

Finding the Fourth Proportional to 102,056.62, 140,827.11 and 56,736.55

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Solution

The fourth proportional to 102,056.62, 140,827.11 and 56,736.55 is: 78,290.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,056.62 : 140,827.11 = 56,736.55 : x
  2. Step 2: Convert to fraction form
    102,056.62/140,827.11 = 56,736.55/x
  3. Step 3: Cross multiply
    102,056.62x = 140,827.11 × 56,736.55
  4. Step 4: Simplify right side
    102,056.62x = 7,990,044,367.87
  5. Step 5: Solve for x
    x = 7,990,044,367.87/102,056.62
  6. Step 6: Final answer
    x = 78,290.31

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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.