Home / 208,070.34-312,163.83-83,498.82

Finding the Fourth Proportional to 208,070.34, 312,163.83 and 83,498.82

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Solution

The fourth proportional to 208,070.34, 312,163.83 and 83,498.82 is: 125,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,070.34 : 312,163.83 = 83,498.82 : x
  2. Step 2: Convert to fraction form
    208,070.34/312,163.83 = 83,498.82/x
  3. Step 3: Cross multiply
    208,070.34x = 312,163.83 × 83,498.82
  4. Step 4: Simplify right side
    208,070.34x = 26,065,311,451.68
  5. Step 5: Solve for x
    x = 26,065,311,451.68/208,070.34
  6. Step 6: Final answer
    x = 125,271.63

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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.