Home / 136,988.04-205,481.55-37,147.98

Finding the Fourth Proportional to 136,988.04, 205,481.55 and 37,147.98

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Solution

The fourth proportional to 136,988.04, 205,481.55 and 37,147.98 is: 55,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,988.04 : 205,481.55 = 37,147.98 : x
  2. Step 2: Convert to fraction form
    136,988.04/205,481.55 = 37,147.98/x
  3. Step 3: Cross multiply
    136,988.04x = 205,481.55 × 37,147.98
  4. Step 4: Simplify right side
    136,988.04x = 7,633,224,509.77
  5. Step 5: Solve for x
    x = 7,633,224,509.77/136,988.04
  6. Step 6: Final answer
    x = 55,721.83

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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.