Home / 139,092.17-208,638.72-39,252.92

Finding the Fourth Proportional to 139,092.17, 208,638.72 and 39,252.92

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Solution

The fourth proportional to 139,092.17, 208,638.72 and 39,252.92 is: 58,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,092.17 : 208,638.72 = 39,252.92 : x
  2. Step 2: Convert to fraction form
    139,092.17/208,638.72 = 39,252.92/x
  3. Step 3: Cross multiply
    139,092.17x = 208,638.72 × 39,252.92
  4. Step 4: Simplify right side
    139,092.17x = 8,189,677,941.87
  5. Step 5: Solve for x
    x = 8,189,677,941.87/139,092.17
  6. Step 6: Final answer
    x = 58,879.51

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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.