Home / 139,174.04-208,772.32-39,335.04

Finding the Fourth Proportional to 139,174.04, 208,772.32 and 39,335.04

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Solution

The fourth proportional to 139,174.04, 208,772.32 and 39,335.04 is: 59,005.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,174.04 : 208,772.32 = 39,335.04 : x
  2. Step 2: Convert to fraction form
    139,174.04/208,772.32 = 39,335.04/x
  3. Step 3: Cross multiply
    139,174.04x = 208,772.32 × 39,335.04
  4. Step 4: Simplify right side
    139,174.04x = 8,212,067,558.09
  5. Step 5: Solve for x
    x = 8,212,067,558.09/139,174.04
  6. Step 6: Final answer
    x = 59,005.74

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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.