Home / 179,378.16-247,536.72-102,909.96

Finding the Fourth Proportional to 179,378.16, 247,536.72 and 102,909.96

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Solution

The fourth proportional to 179,378.16, 247,536.72 and 102,909.96 is: 142,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,378.16 : 247,536.72 = 102,909.96 : x
  2. Step 2: Convert to fraction form
    179,378.16/247,536.72 = 102,909.96/x
  3. Step 3: Cross multiply
    179,378.16x = 247,536.72 × 102,909.96
  4. Step 4: Simplify right side
    179,378.16x = 25,473,993,953.73
  5. Step 5: Solve for x
    x = 25,473,993,953.73/179,378.16
  6. Step 6: Final answer
    x = 142,012.80

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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.