Home / 78,069.80-117,140.94-24,770.18

Finding the Fourth Proportional to 78,069.80, 117,140.94 and 24,770.18

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Solution

The fourth proportional to 78,069.80, 117,140.94 and 24,770.18 is: 37,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,069.80 : 117,140.94 = 24,770.18 : x
  2. Step 2: Convert to fraction form
    78,069.80/117,140.94 = 24,770.18/x
  3. Step 3: Cross multiply
    78,069.80x = 117,140.94 × 24,770.18
  4. Step 4: Simplify right side
    78,069.80x = 2,901,602,169.17
  5. Step 5: Solve for x
    x = 2,901,602,169.17/78,069.80
  6. Step 6: Final answer
    x = 37,166.77

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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.