Home / 208,281.22-312,357.24-75,144.18

Finding the Fourth Proportional to 208,281.22, 312,357.24 and 75,144.18

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Solution

The fourth proportional to 208,281.22, 312,357.24 and 75,144.18 is: 112,692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,281.22 : 312,357.24 = 75,144.18 : x
  2. Step 2: Convert to fraction form
    208,281.22/312,357.24 = 75,144.18/x
  3. Step 3: Cross multiply
    208,281.22x = 312,357.24 × 75,144.18
  4. Step 4: Simplify right side
    208,281.22x = 23,471,828,666.86
  5. Step 5: Solve for x
    x = 23,471,828,666.86/208,281.22
  6. Step 6: Final answer
    x = 112,692.97

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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.