Home / 208,267.93-312,337.21-75,130.86

Finding the Fourth Proportional to 208,267.93, 312,337.21 and 75,130.86

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Solution

The fourth proportional to 208,267.93, 312,337.21 and 75,130.86 is: 112,672.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,267.93 : 312,337.21 = 75,130.86 : x
  2. Step 2: Convert to fraction form
    208,267.93/312,337.21 = 75,130.86/x
  3. Step 3: Cross multiply
    208,267.93x = 312,337.21 × 75,130.86
  4. Step 4: Simplify right side
    208,267.93x = 23,466,163,197.30
  5. Step 5: Solve for x
    x = 23,466,163,197.30/208,267.93
  6. Step 6: Final answer
    x = 112,672.96

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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.