Home / 141,308.28-195,004.67-77,649.57

Finding the Fourth Proportional to 141,308.28, 195,004.67 and 77,649.57

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Solution

The fourth proportional to 141,308.28, 195,004.67 and 77,649.57 is: 107,155.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,308.28 : 195,004.67 = 77,649.57 : x
  2. Step 2: Convert to fraction form
    141,308.28/195,004.67 = 77,649.57/x
  3. Step 3: Cross multiply
    141,308.28x = 195,004.67 × 77,649.57
  4. Step 4: Simplify right side
    141,308.28x = 15,142,028,385.24
  5. Step 5: Solve for x
    x = 15,142,028,385.24/141,308.28
  6. Step 6: Final answer
    x = 107,155.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.