Home / 97,767.14-146,649.15-31,206.80

Finding the Fourth Proportional to 97,767.14, 146,649.15 and 31,206.80

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Solution

The fourth proportional to 97,767.14, 146,649.15 and 31,206.80 is: 46,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,767.14 : 146,649.15 = 31,206.80 : x
  2. Step 2: Convert to fraction form
    97,767.14/146,649.15 = 31,206.80/x
  3. Step 3: Cross multiply
    97,767.14x = 146,649.15 × 31,206.80
  4. Step 4: Simplify right side
    97,767.14x = 4,576,451,060.84
  5. Step 5: Solve for x
    x = 4,576,451,060.84/97,767.14
  6. Step 6: Final answer
    x = 46,809.71

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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.