Home / 185,756.90-278,677.67-67,428.18

Finding the Fourth Proportional to 185,756.90, 278,677.67 and 67,428.18

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Solution

The fourth proportional to 185,756.90, 278,677.67 and 67,428.18 is: 101,157.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,756.90 : 278,677.67 = 67,428.18 : x
  2. Step 2: Convert to fraction form
    185,756.90/278,677.67 = 67,428.18/x
  3. Step 3: Cross multiply
    185,756.90x = 278,677.67 × 67,428.18
  4. Step 4: Simplify right side
    185,756.90x = 18,790,727,757.60
  5. Step 5: Solve for x
    x = 18,790,727,757.60/185,756.90
  6. Step 6: Final answer
    x = 101,157.63

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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.