Home / 102,245.50-141,087.45-56,913.04

Finding the Fourth Proportional to 102,245.50, 141,087.45 and 56,913.04

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Solution

The fourth proportional to 102,245.50, 141,087.45 and 56,913.04 is: 78,533.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,245.50 : 141,087.45 = 56,913.04 : x
  2. Step 2: Convert to fraction form
    102,245.50/141,087.45 = 56,913.04/x
  3. Step 3: Cross multiply
    102,245.50x = 141,087.45 × 56,913.04
  4. Step 4: Simplify right side
    102,245.50x = 8,029,715,685.35
  5. Step 5: Solve for x
    x = 8,029,715,685.35/102,245.50
  6. Step 6: Final answer
    x = 78,533.68

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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.