Home / 102,235.46-141,081.62-56,911.95

Finding the Fourth Proportional to 102,235.46, 141,081.62 and 56,911.95

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Solution

The fourth proportional to 102,235.46, 141,081.62 and 56,911.95 is: 78,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,235.46 : 141,081.62 = 56,911.95 : x
  2. Step 2: Convert to fraction form
    102,235.46/141,081.62 = 56,911.95/x
  3. Step 3: Cross multiply
    102,235.46x = 141,081.62 × 56,911.95
  4. Step 4: Simplify right side
    102,235.46x = 8,029,229,818.80
  5. Step 5: Solve for x
    x = 8,029,229,818.80/102,235.46
  6. Step 6: Final answer
    x = 78,536.65

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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.