Home / 180,070.74-270,178.86-80,162.70

Finding the Fourth Proportional to 180,070.74, 270,178.86 and 80,162.70

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Solution

The fourth proportional to 180,070.74, 270,178.86 and 80,162.70 is: 120,276.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,070.74 : 270,178.86 = 80,162.70 : x
  2. Step 2: Convert to fraction form
    180,070.74/270,178.86 = 80,162.70/x
  3. Step 3: Cross multiply
    180,070.74x = 270,178.86 × 80,162.70
  4. Step 4: Simplify right side
    180,070.74x = 21,658,266,900.52
  5. Step 5: Solve for x
    x = 21,658,266,900.52/180,070.74
  6. Step 6: Final answer
    x = 120,276.44

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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.