Home / 102,054.58-140,834.56-56,736.70

Finding the Fourth Proportional to 102,054.58, 140,834.56 and 56,736.70

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Solution

The fourth proportional to 102,054.58, 140,834.56 and 56,736.70 is: 78,296.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,054.58 : 140,834.56 = 56,736.70 : x
  2. Step 2: Convert to fraction form
    102,054.58/140,834.56 = 56,736.70/x
  3. Step 3: Cross multiply
    102,054.58x = 140,834.56 × 56,736.70
  4. Step 4: Simplify right side
    102,054.58x = 7,990,488,180.35
  5. Step 5: Solve for x
    x = 7,990,488,180.35/102,054.58
  6. Step 6: Final answer
    x = 78,296.22

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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.