Home / 137,430.36-206,142.62-37,590.56

Finding the Fourth Proportional to 137,430.36, 206,142.62 and 37,590.56

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Solution

The fourth proportional to 137,430.36, 206,142.62 and 37,590.56 is: 56,385.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,430.36 : 206,142.62 = 37,590.56 : x
  2. Step 2: Convert to fraction form
    137,430.36/206,142.62 = 37,590.56/x
  3. Step 3: Cross multiply
    137,430.36x = 206,142.62 × 37,590.56
  4. Step 4: Simplify right side
    137,430.36x = 7,749,016,525.67
  5. Step 5: Solve for x
    x = 7,749,016,525.67/137,430.36
  6. Step 6: Final answer
    x = 56,385.04

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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.