Home / 78,069.76-117,140.92-24,770.14

Finding the Fourth Proportional to 78,069.76, 117,140.92 and 24,770.14

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Solution

The fourth proportional to 78,069.76, 117,140.92 and 24,770.14 is: 37,166.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,069.76 : 117,140.92 = 24,770.14 : x
  2. Step 2: Convert to fraction form
    78,069.76/117,140.92 = 24,770.14/x
  3. Step 3: Cross multiply
    78,069.76x = 117,140.92 × 24,770.14
  4. Step 4: Simplify right side
    78,069.76x = 2,901,596,633.35
  5. Step 5: Solve for x
    x = 2,901,596,633.35/78,069.76
  6. Step 6: Final answer
    x = 37,166.72

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1.5x scale

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.