Home / 140,051.28-208,911.48-126,598.80

Finding the Fourth Proportional to 140,051.28, 208,911.48 and 126,598.80

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Solution

The fourth proportional to 140,051.28, 208,911.48 and 126,598.80 is: 188,844.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,051.28 : 208,911.48 = 126,598.80 : x
  2. Step 2: Convert to fraction form
    140,051.28/208,911.48 = 126,598.80/x
  3. Step 3: Cross multiply
    140,051.28x = 208,911.48 × 126,598.80
  4. Step 4: Simplify right side
    140,051.28x = 26,447,942,674.22
  5. Step 5: Solve for x
    x = 26,447,942,674.22/140,051.28
  6. Step 6: Final answer
    x = 188,844.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.