Home / 105,934.91-158,861.71-45,106.64

Finding the Fourth Proportional to 105,934.91, 158,861.71 and 45,106.64

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Solution

The fourth proportional to 105,934.91, 158,861.71 and 45,106.64 is: 67,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,934.91 : 158,861.71 = 45,106.64 : x
  2. Step 2: Convert to fraction form
    105,934.91/158,861.71 = 45,106.64/x
  3. Step 3: Cross multiply
    105,934.91x = 158,861.71 × 45,106.64
  4. Step 4: Simplify right side
    105,934.91x = 7,165,717,566.84
  5. Step 5: Solve for x
    x = 7,165,717,566.84/105,934.91
  6. Step 6: Final answer
    x = 67,642.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.