Home / 340,144.14-510,195.56-126,870.94

Finding the Fourth Proportional to 340,144.14, 510,195.56 and 126,870.94

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Solution

The fourth proportional to 340,144.14, 510,195.56 and 126,870.94 is: 190,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,144.14 : 510,195.56 = 126,870.94 : x
  2. Step 2: Convert to fraction form
    340,144.14/510,195.56 = 126,870.94/x
  3. Step 3: Cross multiply
    340,144.14x = 510,195.56 × 126,870.94
  4. Step 4: Simplify right side
    340,144.14x = 64,728,989,646.67
  5. Step 5: Solve for x
    x = 64,728,989,646.67/340,144.14
  6. Step 6: Final answer
    x = 190,298.71

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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.