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Finding the Fourth Proportional to 119,934.69, 179,870.67 and 35,672.16

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Solution

The fourth proportional to 119,934.69, 179,870.67 and 35,672.16 is: 53,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,934.69 : 179,870.67 = 35,672.16 : x
  2. Step 2: Convert to fraction form
    119,934.69/179,870.67 = 35,672.16/x
  3. Step 3: Cross multiply
    119,934.69x = 179,870.67 × 35,672.16
  4. Step 4: Simplify right side
    119,934.69x = 6,416,375,319.55
  5. Step 5: Solve for x
    x = 6,416,375,319.55/119,934.69
  6. Step 6: Final answer
    x = 53,498.91

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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.